EU foreign ministers are meeting today to discuss whether to resume full-scale search and rescue operations for immigrants trying to cross the Mediterranean, after hundreds drowned in the latest sinking.
Up to 900 are feared drowned in the latest capsize tragedy, taking the number of dead among those seeking refuge in Europe from Libya and elsewhere in this year alone to more than 1,500.
Labour has called on the government to reverse its "immoral" withdrawal of support for search and rescue missions in the Mediterranean as Philip Hammond prepared to join counterparts in Luxembourg.
A rescuer cradles a child, rescued from another boat trying to cross, in the Sicilian harbour of Pozzallo
An Italian naval operation, Mare Nostrum, was wound up late last year despite rescuing tens of thousands of people making the journey from North Africa. It was replaced with a more limited European Union border security operation.
The UK has argued search and rescue operations might encourage more illegal immigrants to attempt the crossing.
An Italian Coast Guard vessel during ongoing search and rescue operation for those missing from the sunken boat
Hammond blamed people smugglers for helping people try to cross the sea, saying the world was horrified by the death toll of the latest sinking. He said stopping traffickers "demands a comprehensive, co-ordinated response".
"As well as helping to identify and target the traffickers by offering the expertise of our National Crime Agency and security services, Britain can make an important contribution to addressing the factors driving migration through our aid programme in the key source countries," he said.
But shadow home secretary Yvette Cooper said: "The British Government must immediately reverse its opposition to EU search and rescue operations in the Mediterranean, as the EU needs to restart the rescue as soon as possible.
"Theresa May was very wrong to argue that the EU rescue operations should be stopped in order to deter others from coming. It is immoral to turn our backs and leave people to drown in order to deter other desperate travellers - and of course it hasn't worked.
"Since the operations were cancelled even more people have tried to cross the Mediterranean, and thousands have died."
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Nick Clegg conceded that "the current arrangements are clearly leading to these tragic consequences" and backed a change of course but insisted the "cure" lay not at sea but in dealing with the reasons people were seeking refuge.
He said it was Italy which had pushed the switch of focus amid fears that the safety net of maritime patrols was encouraging the refugee traffic but accepted the need for a "long, hard collective think about what the best arrangements are".
The European Commission said: "The reality is stark and our actions must therefore be bold. These are human lives at stake, and the European Union as a whole has a moral and humanitarian obligation to act.
"What we need is immediate actions to prevent further loss of life as well as a comprehensive approach to managing migration better in all its aspects... This is a joint responsibility of all 28 EU Member States and the EU institutions and requires a joint European response."
Refugee Council head of advocacy Lisa Doyle said: "This latest tragedy is an appalling reminder that Europe's response to the greatest refugee crisis in modern times has been to close off people's escape routes, pull up the drawbridge and let desperate people drown.
"How many more people have to be swallowed by the sea before European leaders act? The focus has to be on saving lives and creating alternative routes to safety."
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Migrant Tragedy
APTOPIX Malta Europe Migrants(01 of54)
Italian Coast Guard officers disembark the body of a dead migrant off the ship Bruno Gregoretti, in Valletta's Grand Harbour, Monday, April 20 2015. A smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. So far rescuers saved 28 people a recovered 24 bodies. (AP Photo/Lino Azzopardi) (credit:ASSOCIATED PRESS)
APTOPIX Malta Europe Migrants(02 of54)
Italian Coast Guard officers disembark the body of a dead migrant off the ship Bruno Gregoretti, in Valletta's Grand Harbour, Monday, April 20 2015. A smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. So far rescuers saved 28 people a recovered 24 bodies. (AP Photo/Lino Azzopardi) (credit:ASSOCIATED PRESS)
APTOPIX Italy Migrants(03 of54)
Rescuers help children to disembark in the Sicilian harbor of Pozzallo, Italy, early Monday, April 20, 2015. About 100 migrants, including 28 children, were rescued on Sunday by a merchant vessel in the Sicilian Strait while they were trying to cross. Another smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. (AP Photo/Alessandra Tarantino) (credit:ASSOCIATED PRESS)
Malta Europe Migrants(04 of54)
Italian Coast Guard officers disembark the body of a dead migrant off the ship Bruno Gregoretti, in Valletta's Grand Harbour, Monday, April 20 2015. A smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. So far rescuers saved 28 people a recovered 24 bodies. (AP Photo/Lino Azzopardi) (credit:ASSOCIATED PRESS)
Malta Europe Migrants(05 of54)
Italian Coast Guard officers prepare disembark the bodies of dead migrant off the ship Bruno Gregoretti, in Valletta's Grand Harbour, Monday, April 20 2015. A smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. So far rescuers saved 28 people a recovered 24 bodies. (AP Photo/Lino Azzopardi) (credit:ASSOCIATED PRESS)
Malta Europe Migrants(06 of54)
Italian Coast Guard officers disembark the body of a dead migrant off the ship Bruno Gregoretti, in Valletta's Grand Harbour, Monday, April 20 2015. A smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. So far rescuers saved 28 people a recovered 24 bodies. (AP Photo/Lino Azzopardi) (credit:ASSOCIATED PRESS)
Malta Europe Migrants(07 of54)
Italian Coast Guard officers disembark the body of a dead migrant off the ship Bruno Gregoretti, in Valletta's Grand Harbour, Monday, April 20 2015. A smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. So far rescuers saved 28 people a recovered 24 bodies. (AP Photo/Lino Azzopardi) (credit:ASSOCIATED PRESS)
Malta Europe Migrants(08 of54)
Italian Coast Guard officers disembark the body of a dead migrant off the ship Bruno Gregoretti, in Valletta's Grand Harbour, Monday, April 20 2015. A smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. So far rescuers saved 28 people a recovered 24 bodies. (AP Photo/Lino Azzopardi) (credit:ASSOCIATED PRESS)
Malta Europe Migrants(09 of54)
Italian Coast Guard officers disembark the body of a dead migrant off the ship Bruno Gregoretti, in Valletta's Grand Harbour, Monday, April 20 2015. A smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. So far rescuers saved 28 people a recovered 24 bodies. (AP Photo/Lino Azzopardi) (credit:ASSOCIATED PRESS)
Malta Europe Migrants(10 of54)
Italian Coast Guard officers disembark the body of a dead migrant off the ship Bruno Gregoretti, in Valletta's Grand Harbour, Monday, April 20 2015. A smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. So far rescuers saved 28 people a recovered 24 bodies. (AP Photo/Lino Azzopardi) (credit:ASSOCIATED PRESS)
Italy Migrants(11 of54)
Migrants wait to disembark in the Sicilian harbor of Pozzallo, Italy, early Monday, April 20, 2015. About 100 migrants, including 28 children, were rescued on Sunday by a merchant vessel in the Sicilian Strait while they were trying to cross. Another smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. (AP Photo/Alessandra Tarantino) (credit:ASSOCIATED PRESS)
Italy Migrants(12 of54)
Migrants wait to disembark in the Sicilian harbor of Pozzallo, Italy, early Monday, April 20, 2015. About 100 migrants, including 28 children, were rescued on Sunday by a merchant vessel in the Sicilian Strait while they were trying to cross. Another smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. (AP Photo/Alessandra Tarantino) (credit:ASSOCIATED PRESS)
Italy Migrants(13 of54)
Migrants wait to disembark in the Sicilian harbor of Pozzallo, Italy, early Monday, April 20, 2015. About 100 migrants, including 28 children, were rescued on Sunday by a merchant vessel in the Sicilian Strait while they were trying to cross. Another smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. (AP Photo/Alessandra Tarantino) (credit:ASSOCIATED PRESS)
APTOPIX Italy Migrants(14 of54)
** ALTERNATE CROP OF ALT101 ** A rescuer cradles a child in the Sicilian harbor of Pozzallo, Italy, early Monday, April 20, 2015. About 100 migrants, including 28 children, were rescued on Sunday by a merchant vessel in the Sicilian Strait while they were trying to cross. Another smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. (AP Photo/Alessandra Tarantino) (credit:ASSOCIATED PRESS)
Malta Europe Migrants(15 of54)
The Italian Coast Guard with ship Bruno Gregoretti, carrying survivors and victims of a sea disaster in Valletta's Grand Harbour, Monday, April 20 2015. A smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. So far rescuers saved 28 people a recovered 24 bodies. (AP Photo/Lino Azzopardi) (credit:ASSOCIATED PRESS)
Italy Migrants(16 of54)
Migrants wait to disembark in the Sicilian harbor of Pozzallo, Italy, early Monday, April 20, 2015. About 100 migrants, including 28 children, were rescued on Sunday by a merchant vessel in the Sicilian Strait while they were trying to cross. Another smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. (AP Photo/Alessandra Tarantino) (credit:ASSOCIATED PRESS)
Italy Migrants(17 of54)
Migrants wait to disembark in the Sicilian harbor of Pozzallo, Italy, early Monday, April 20, 2015. About 100 migrants, including 28 children, were rescued on Sunday by a merchant vessel in the Sicilian Strait while they were trying to cross. Another smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. (AP Photo/Alessandra Tarantino) (credit:ASSOCIATED PRESS)
Italy Migrants(18 of54)
Migrants wait to disembark in the Sicilian harbor of Pozzallo, Italy, early Monday, April 20, 2015. About 100 migrants, including 28 children, were rescued on Sunday by a merchant vessel in the Sicilian Strait while they were trying to cross. Another smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. (AP Photo/Alessandra Tarantino) (credit:ASSOCIATED PRESS)
Italy Migrants(19 of54)
A woman carries a child as she disembarks in the Sicilian harbor of Pozzallo, Italy, early Monday, April 20, 2015. About 100 migrants, including 28 children, were rescued on Sunday by a merchant vessel in the Sicilian Strait while they were trying to cross. Another smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. (AP Photo/Alessandra Tarantino) (credit:ASSOCIATED PRESS)
Italy Migrants(20 of54)
Migrants are taken into a bus after disembarking in the Sicilian harbor of Pozzallo, Italy, early Monday, April 20, 2015. About 100 migrants, including 28 children, were rescued on Sunday by a merchant vessel in the Sicilian Strait while they were trying to cross. Another smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. (AP Photo/Alessandra Tarantino) (credit:ASSOCIATED PRESS)
Italy Migrants(21 of54)
A woman carries a child as she disembark in the Sicilian harbor of Pozzallo, Italy, early Monday, April 20, 2015. About 100 migrants, including 28 children, were rescued on Sunday by a merchant vessel in the Sicilian Strait while they were trying to cross. Another smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. (AP Photo/Alessandra Tarantino) (credit:ASSOCIATED PRESS)
Italy Migrants(22 of54)
A rescuer, top, cradles a child in the Sicilian harbor of Pozzallo, Italy, early Monday, April 20, 2015. About 100 migrants, including 28 children, were rescued on Sunday by a merchant vessel in the Sicilian Strait while they were trying to cross. Another smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. (AP Photo/Alessandra Tarantino) (credit:ASSOCIATED PRESS)
Italy Migrants(23 of54)
A migrant is helped disembark in the Sicilian harbor of Pozzallo, Italy, early Monday, April 20, 2015. About 100 migrants, including 28 children, were rescued on Sunday by a merchant vessel in the Sicilian Strait while they were trying to cross. Another smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. (AP Photo/Alessandra Tarantino) (credit:ASSOCIATED PRESS)
Italy Migrants(24 of54)
Migrants wait to disembark in the Sicilian harbor of Pozzallo, Italy, early Monday, April 20, 2015. About 100 migrants, including 28 children, were rescued on Sunday by a merchant vessel in the Sicilian Strait while they were trying to cross. Another smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. (AP Photo/Alessandra Tarantino) (credit:ASSOCIATED PRESS)
Italy Migrants(25 of54)
A woman carries a child as she disembarks in the Pozzallo harbor, Sicily, Italy, early Monday, April 20, 2015. About 100 migrants, including 28 children, were rescued Sunday by a merchant vessel in the Sicilian Strait. Another smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. (AP Photo/Alessandra Tarantino) (credit:ASSOCIATED PRESS)
Italy Migrants(26 of54)
In this image from TV, migrants crowd at the rail aboard an Italian navy vessel as it cruises towards Italian port of Messina, Saturday April 18, 2015. UNHCR says Sunday, April 19, 2015, the search and recovery rescue operation is under way after a boat carrying migrants overturned north of Libya. (AP Photo/APTV) (credit:ASSOCIATED PRESS)
Italy Migrants(27 of54)
In this image taken from video made available by Guardia Costiera, an Italian coast Guard vessel during ongoing search and rescue operation in the Mediterranean Sea south of the Italian island of Lampedusa, Sunday April 19, 2015, to locate migrants who are believed to be lost at sea. UNHCR says Sunday, the search and recovery rescue operation is under way after a boat carrying migrants is believed to have overturned north of Libya, with some 600 people still missing. (Guardia Costiera via AP) (credit:ASSOCIATED PRESS)
Italy Migrants(28 of54)
Migrants are seated, surrounded by emergency relief workers aboard a vessel at the Italian port of Messina, Saturday April 18, 2015, as migrants prepare to be processed at the quayside. UNHCR says Sunday, April 19, 2015, the search and recovery rescue operation is under way after a boat carrying migrants overturned north of Libya. (AP Photo/AP TV) (credit:ASSOCIATED PRESS)
Italy Europe Migrants(29 of54)
Migrants stand on the deck of the Italian Navy ship "Driade" prior to being disembarked in Messina's port, Sicily, Italy, Saturday, April 18, 2015. Italian ships have picked up some 10,000 people, many of them refugees of war and persecution, over the past week, an unprecedented number in such a short period. The influx is putting pressure on Italy's shelter system and raising calls for a better response to the emergency. (AP Photo/Carmelo Imbesi) (credit:ASSOCIATED PRESS)
MALTA-ITALY-IMMIGRATION-REFUGEE(30 of54)
Survivors of an accident in which a fishing boat carrying migrants capsized off the Libyan coast, sit on the deck of the Italian Coast Guard vessel Bruno Gregoretti at Boiler Wharf, Senglea in Malta on April 20, 2015. More than 700 people are feared dead following the capsize off Libya of a fishing boat that had been crammed with migrants trying to reach Europe. AFP PHOTO / MATTHEW MIRABELLI --- MALTA OUT (Photo credit should read Matthew Mirabelli/AFP/Getty Images) (credit:MATTHEW MIRABELLI via Getty Images)
MALTA-ITALY-IMMIGRATION-REFUGEE(31 of54)
The body of a person who died after a fishing boat carrying migrants capsized off the Libyan coast, is brought ashore along with 23 others retreived by the Italian Coast Guard vessel Bruno Gregoretti at Boiler Wharf, Senglea in Malta on April 20, 2015. More than 700 people are feared dead following the capsize off Libya of a fishing boat that had been crammed with migrants trying to reach Europe. AFP PHOTO / MATTHEW MIRABELLI --- MALTA OUT (Photo credit should read Matthew Mirabelli/AFP/Getty Images) (credit:MATTHEW MIRABELLI via Getty Images)
MALTA-ITALY-IMMIGRATION-REFUGEE(32 of54)
Survivors of an accident in which a fishing boat carrying migrants capsized off the Libyan coast, sit on the deck of the Italian Coast Guard vessel Bruno Gregoretti at Boiler Wharf, Senglea in Malta on April 20, 2015. More than 700 people are feared dead following the capsize off Libya of a fishing boat that had been crammed with migrants trying to reach Europe. AFP PHOTO / MATTHEW MIRABELLI --- MALTA OUT (Photo credit should read Matthew Mirabelli/AFP/Getty Images) (credit:MATTHEW MIRABELLI via Getty Images)
MALTA-ITALY-IMMIGRATION-REFUGEE(33 of54)
Survivors of an accident in which a fishing boat carrying migrants capsized off the Libyan coast, sit on the deck of the Italian Coast Guard vessel Bruno Gregoretti at Boiler Wharf, Senglea in Malta on April 20, 2015. More than 700 people are feared dead following the capsize off Libya of a fishing boat that had been crammed with migrants trying to reach Europe. AFP PHOTO / MATTHEW MIRABELLI --- MALTA OUT (Photo credit should read Matthew Mirabelli/AFP/Getty Images) (credit:MATTHEW MIRABELLI via Getty Images)
MALTA-ITALY-IMMIGRATION-REFUGEE(34 of54)
The body of person who died after fishing boat carrying migrants capsized off the Libyan coast, is photographed and documented after being brought ashore along with 23 others retreived by the Italian Coast Guard vessel Bruno Gregoretti at Boiler Wharf, Senglea in Malta on April 20, 2015. More than 700 people are feared dead following the capsize off Libya of a fishing boat that had been crammed with migrants trying to reach Europe. AFP PHOTO / MATTHEW MIRABELLI --- MALTA OUT (Photo credit should read Matthew Mirabelli/AFP/Getty Images) (credit:MATTHEW MIRABELLI via Getty Images)
ITALY-POLITICS-IMMIGRATION-SHIPWRECK(35 of54)
Italian Prime Minister Matteo Renzi (R) gives a press conference focused on the shipwreck of migrants last night off the Libyan coast, on April 19, 2015 in Rome. Prime Minister Matteo Renzi said Rome would be seeking the extraordinary meeting after up to 700 people were feared to have drowned when a boat carrying them towards Italy capsized off Libya. 'We are working to ensure this meeting can be held by the end of the week. It has to be a priority,' Renzi told a press conference. AFP PHOTO / TIZIANA FABI (Photo credit should read TIZIANA FABI/AFP/Getty Images) (credit:TIZIANA FABI via Getty Images)
Migrant boat sinks off southwestern Turkey(36 of54)
MUGLA, TURKEY - APRIL 19: Turkish coast guards rescue the migrants after a migrant boat sinks off southwestern Turkey, Mugla, Turkey on April 19, 2015. Thirty-one more people were rescued when the boat allegedly carrying illegal migrants sank off Turkeys southwestern Mugla province, Turkish officials have said. According to initial reports, the vessel was heading to Greeces Kos Island, about two miles (3.2 kilometers) from the coast of Turkey, when it capsized off Bodrum in Mugla. (Photo by Ali Balli/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
Migrant boat sinks off southwestern Turkey(37 of54)
MUGLA, TURKEY - APRIL 19: Turkish coast guards rescue the migrants after a migrant boat sinks off southwestern Turkey, Mugla, Turkey on April 19, 2015. Thirty-one more people were rescued when the boat allegedly carrying illegal migrants sank off Turkeys southwestern Mugla province, Turkish officials have said. According to initial reports, the vessel was heading to Greeces Kos Island, about two miles (3.2 kilometers) from the coast of Turkey, when it capsized off Bodrum in Mugla. (Photo by Ali Balli/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
Migrant boat sinks off southwestern Turkey(38 of54)
MUGLA, TURKEY - APRIL 19: Turkish coast guards rescue the migrants after a migrant boat sinks off southwestern Turkey, Mugla, Turkey on April 19, 2015. Thirty-one more people were rescued when the boat allegedly carrying illegal migrants sank off Turkeys southwestern Mugla province, Turkish officials have said. According to initial reports, the vessel was heading to Greeces Kos Island, about two miles (3.2 kilometers) from the coast of Turkey, when it capsized off Bodrum in Mugla. (Photo by Ali Balli/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
Migrant boat sinks off southwestern Turkey(39 of54)
MUGLA, TURKEY - APRIL 19: Illegal migrants recued by coast guards are seen after a migrant boat sinks off southwestern Turkey, Mugla, Turkey on April 19, 2015. Thirty-one more people were rescued when the boat allegedly carrying illegal migrants sank off Turkeys southwestern Mugla province, Turkish officials have said. According to initial reports, the vessel was heading to Greeces Kos Island, about two miles (3.2 kilometers) from the coast of Turkey, when it capsized off Bodrum in Mugla. (Photo by Ali Balli/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
Migrant boat sinks off southwestern Turkey(40 of54)
MUGLA, TURKEY - APRIL 19: Turkish coast guards rescue the migrants after a migrant boat sinks off southwestern Turkey, Mugla, Turkey on April 19, 2015. Thirty-one more people were rescued when the boat allegedly carrying illegal migrants sank off Turkeys southwestern Mugla province, Turkish officials have said. According to initial reports, the vessel was heading to Greeces Kos Island, about two miles (3.2 kilometers) from the coast of Turkey, when it capsized off Bodrum in Mugla. (Photo by Ali Balli/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
Migrant boat sinks off southwestern Turkey(41 of54)
MUGLA, TURKEY - APRIL 19: Turkish coast guards rescue the migrants after a migrant boat sinks off southwestern Turkey, Mugla, Turkey on April 19, 2015. Thirty-one more people were rescued when the boat allegedly carrying illegal migrants sank off Turkeys southwestern Mugla province, Turkish officials have said. According to initial reports, the vessel was heading to Greeces Kos Island, about two miles (3.2 kilometers) from the coast of Turkey, when it capsized off Bodrum in Mugla. (Photo by Ali Balli/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
Migrant boat sinks off southwestern Turkey(42 of54)
MUGLA, TURKEY - APRIL 19: Turkish coast guards rescue the migrants after a migrant boat sinks off southwestern Turkey, Mugla, Turkey on April 19, 2015. Thirty-one more people were rescued when the boat allegedly carrying illegal migrants sank off Turkeys southwestern Mugla province, Turkish officials have said. According to initial reports, the vessel was heading to Greeces Kos Island, about two miles (3.2 kilometers) from the coast of Turkey, when it capsized off Bodrum in Mugla. (Photo by Ali Balli/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
Italy Migrants(43 of54)
A migrant is helped disembark in the Sicilian harbor of Pozzallo, Italy, early Monday, April 20, 2015. About 100 migrants, including 28 children, were rescued on Sunday by a merchant vessel in the Sicilian Strait while they were trying to cross. Another smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. (AP Photo/Alessandra Tarantino) (credit:Alessandra Tarantino/AP)
Italy Migrants(44 of54)
A woman carries a child as she disembarks in the Sicilian harbor of Pozzallo, Italy, early Monday, April 20, 2015. About 100 migrants, including 28 children, were rescued on Sunday by a merchant vessel in the Sicilian Strait while they were trying to cross. Another smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. (AP Photo/Alessandra Tarantino) (credit:Alessandra Tarantino/AP)
Italy Migrants(45 of54)
Migrants wait to disembark in the Sicilian harbor of Pozzallo, Italy, early Monday, April 20, 2015. About 100 migrants, including 28 children, were rescued on Sunday by a merchant vessel in the Sicilian Strait while they were trying to cross. Another smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. (AP Photo/Alessandra Tarantino) (credit:Alessandra Tarantino/AP)
Italy Migrants(46 of54)
A woman carries a child as she disembark in the Sicilian harbor of Pozzallo, Italy, early Monday, April 20, 2015. About 100 migrants, including 28 children, were rescued on Sunday by a merchant vessel in the Sicilian Strait while they were trying to cross. Another smuggler's boat crammed with hundreds of people overturned off Libya's coast on Saturday as rescuers approached, causing what could be the Mediterranean's deadliest known migrant tragedy and intensifying pressure on the European Union Sunday to finally meet demands for decisive action. (AP Photo/Alessandra Tarantino) (credit:Alessandra Tarantino/AP)
Italy Europe Migrants(47 of54)
Migrants sit on the deck of an Italian Coastal Guard boat as they wait to disembark at Palermo's harbor, Italy, after being rescued at sea, Saturday, April 18, 2015. Italian ships have picked up some 10,000 people, many of them refugees of war and persecution, over the past week, an unprecedented number in such a short period. The influx is putting pressure on Italy's shelter system and raising calls for a better response to the emergency. (AP Photo/Alessandro Fucarini) (credit:Alessandro Fucarini/AP)
Italy Europe Migrants(48 of54)
Migrants stand on the deck of the Italian Navy ship "Driade" prior to being disembarked in Messina's port, Sicily, Italy, Saturday, April 18, 2015. Italian ships have picked up some 10,000 people, many of them refugees of war and persecution, over the past week, an unprecedented number in such a short period. The influx is putting pressure on Italy's shelter system and raising calls for a better response to the emergency. (AP Photo/Carmelo Imbesi) (credit:Carmelo Imbesi/AP)
Italy Europe Migrants(49 of54)
Migrants receive first aid upon disembarking from Italian Navy ship "Driade" in Messina's port, Sicily, Italy, Saturday, April 18, 2015. Italian ships have picked up some 10,000 people, many of them refugees of war and persecution, over the past week, an unprecedented number in such a short period. The influx is putting pressure on Italy's shelter system and raising calls for a better response to the emergency. (AP Photo/Carmelo Imbesi) (credit:Carmelo Imbesi/AP)
Italy Europe Migrants(50 of54)
Migrants receive first aid upon disembarking from Italian Navy ship "Driade" in Messina's port, Sicily, Italy, Saturday, April 18, 2015. Italian ships have picked up some 10,000 people, many of them refugees of war and persecution, over the past week, an unprecedented number in such a short period. The influx is putting pressure on Italy's shelter system and raising calls for a better response to the emergency. (AP Photo/Carmelo Imbesi) (credit:Carmelo Imbesi/AP)
Italy Europe Migrants(51 of54)
Migrants receive first aid upon disembarking from Italian Navy ship "Driade" in Messina's port, Sicily, Italy, Saturday, April 18, 2015. Italian ships have picked up some 10,000 people, many of them refugees of war and persecution, over the past week, an unprecedented number in such a short period. The influx is putting pressure on Italy's shelter system and raising calls for a better response to the emergency. (AP Photo/Carmelo Imbesi) (credit:Carmelo Imbesi/AP)
Italy Europe Migrants(52 of54)
An Italian Navy officer gives instruction to migrants who are waiting to disembark from Italian Navy ship "Driade" in Messina's port, Sicily, Italy, Saturday, April 18, 2015. Italian ships have picked up some 10,000 people, many of them refugees of war and persecution, over the past week, an unprecedented number in such a short period. The influx is putting pressure on Italy's shelter system and raising calls for a better response to the emergency. (AP Photo/Carmelo Imbesi) (credit:Carmelo Imbesi/AP)
Italy Europe Migrants(53 of54)
Migrants stand on the deck of the Italian Navy ship "Driade" prior to being disembarked in Messina's port, Sicily, Italy, Saturday, April 18, 2015. Italian ships have picked up some 10,000 people, many of them refugees of war and persecution, over the past week, an unprecedented number in such a short period. The influx is putting pressure on Italy's shelter system and raising calls for a better response to the emergency. (AP Photo/Carmelo Imbesi) (credit:Carmelo Imbesi/AP)
Italy Europe Migrants(54 of54)
A migrant holding a child receives first aid upon disembarking from Italian Navy ship "Driade" in Messina's port, Sicily, Italy, Saturday, April 18, 2015. Italian ships have picked up some 10,000 people, many of them refugees of war and persecution, over the past week, an unprecedented number in such a short period. The influx is putting pressure on Italy's shelter system and raising calls for a better response to the emergency. (AP Photo/Carmelo Imbesi) (credit:Carmelo Imbesi/AP)