Hundreds of thousands of children are trapped in houses in Gaza facing prolonged power cuts and depleting supplies of food and water, according to Save the Children.

The charity has called for an immediate end to the conflict between Israel and Gaza as fears grow that the situation will have a devastating affect on children who make up nearly half the 1.7m population of the Gaza Strip.

It said 25 schools, two clinics and a hospital have been damaged in the Gaza, while schools on both sides of the border remain closed during the conflict.

Osama Damo, part of Save the Children's team in Gaza, said: "It is a dangerous and terrifying time for children, who make up nearly half the population of the Gaza Strip.

"Most families have been trapped at home for four days, unable to leave to find basic supplies. With so many children already malnourished and suffering from anaemia, the impact on children's health is potentially devastating.

"There is no clean water so children are going to have to start drinking the polluted tap water soon which is going to cause more severe health problems. When they fall ill their parents can't take them to hospital."

Some are experiencing power cuts of up to 18 hours a day.

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Palestinians stand in the rubble of the Dalou family house following an Israeli air strike in Gaza City

The charity warned that children already faced "very difficult" conditions before the current conflict, which has created severe food and water shortages and left hospitals running low on supplies.

Save the Children has called for an immediate and permanent ceasefire and launched an emergency response to the escalating violence.

As of this morning, seven children had died and 105 been injured in the conflict, according to the charity, which stressed that the rapidly changing situation meant the figures could now be higher.

Once Gaza becomes safe to enter, Save the Children teams will distribute food parcels, water and shelter materials to families, and vital medicines to hospitals.

It has also pledged to set up "child spaces" with specially trained staff and counsellors to help children cope with their experiences, as well as helping restart basic education.

Alex Schein, Save the Children's country director said: "The escalation of violence on top of an already fragile situation is extremely dangerous for children.

"They are being deeply affected by what they have experienced, and many could need specialist care and support. The fear among adults is unbelievable so you can imagine what it's like for children."

On Monday, William Hague pushed for a ceasefire in the conflict, warning that Israel risked losing international sympathy if it escalated it's campaign and launched a ground offensive into Gaza.

But the Foreign Secretary repeated his insistence that Hamas bore "principal responsibility" for the violence and urged its leaders to cease a barrage of missiles still being fired at Tel Aviv and other areas.

Israeli prime minister Benjamin Netanyahu told his cabinet the Israel Defence Forces were prepared for a "serious broadening" of the operation - amid fears it will send in troops.

Israeli airstrikes continued to hit the enclave during the early hours of this morning as the violence entered its sixth day.
Health officials said rockets hit two houses belonging to a single family, killing two children and a woman and injuring 30 others - half of them children.

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Israeli soldiers on tanks in a staging area near the Israel Gaza Strip Border, southern Israel

It came less than 24 hours hours after several women and children were among 11 reportedly killed in an airstrike on a residential area as Israel expanded its targets to what it said were the homes of wanted militants.

Two media centres were also attacked - with Hamas communications the alleged target - that wounded six local journalists and damaged international broadcasters' equipment.

The World Health Organisation (WHO) said it is deeply concerned about the situation and its impact on the health and lives of civilians in the area, while charity Save the Children said hundreds of thousands of youngsters are trapped in houses in Gaza facing prolonged power cuts and depleting supplies of food and water.

Medical officials said 37 civilians are among 77 killed so far. Three Israeli citizens have also died.

United Nations Secretary General Ban Ki-moon added his voice to growing calls for a ceasefire saying he was heading to the region to personally appeal for an end to the violence.

"This must stop," he said.

"Any further escalation will inevitably increase the suffering of the affected civilian populations and must be avoided."

Speaking to Sky News, Hague said the UK was "gravely" concerned about this situation.

"We call on Hamas again to stop the rocket attacks on Israel, it is Hamas that bears principal responsibility for starting all of this and we would like to see an agreed ceasefire - an essential component of which is an end to those rocket attacks," he said.

"The Prime Minister and I have both stressed to our Israeli counterparts that a ground invasion of Gaza would lose Israel a lot of the international support and sympathy they have in this situation.

"A ground invasion is much more difficult for the international community to sympathise with or support, including the United Kingdom."

Hague accused Iran of playing a key role in supplying Hamas militants with arms and the rockets which sparked the current crisis.

And he said it was vital to look beyond the "hour to hour" developments on the ground and seek a solution to the wider regional issues.

Liberal Democrat deputy leader Simon Hughes the danger of the crisis cannot be exaggerated.

"The last thing needed now in the Middle East and North Africa is an escalating conflict spilling out from Gaza," he said.

"The rocket attacks on Israel by Hamas are unjustified, should never have happened and should end immediately.

"But the Israeli government must not overreact, must not launch a ground attack on Gaza and should seek to de-escalate the tensions on the ground.

"Now is the time for everybody in leadership and with influence in the region and beyond to seek a ceasefire and a truce."

Egypt is leading efforts to broker a ceasefire and an Israeli envoy was in Cairo for talks yesterday although the prospects for agreement with Hamas are not considered very high.

US president Barack Obama firmly backed Israel's right to defend itself against the militant rocket attacks but joined cautions against "ramping up" into a ground war.

Daniel Taub, the Israeli ambassador to the UK, said the country was reluctant to send its troops into Gaza, but that a "dramatic increase" in violence meant it "could not sit still" and had to start mobilising its forces.

Asked if he was worried that Israel would lose international support and sympathy if a ground invasion was launched, Taub told ITV's Daybreak: "We are very concerned about international support but also very concerned about the lives of our citizens and in that case we have to do what any responsible country would do.

"We don't want to have a ground operation. The answer is Hamas to stop firing and to have a genuine ceasefire that is going to last."

When asked by the BBC about recent Palestinian deaths, Taub said: "They are dying because unfortunately we have terrorists who place themselves in the hearts of civilian areas, and what we can't afford to do is say they are out of harm's way because if we do that we're sending an open invitation to every terrorist organisation to set up in a school or a hospital.

"Unfortunately we have to grapple with terrible dilemmas which do not seem to bother them at all."

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  • Smoke rises following an Israeli attack on smuggling tunnels on the border between Egypt and Rafah, southern Gaza Strip, Monday, Nov. 19, 2012. (AP Photo/Eyad Baba)

  • A Palestinian demonstrator holds a poster depicting Israeli Prime Minister Benjamin Netanyahu holding a leashed dog superimposed with the head U.S. President Barack Obama, with illustrations of Israel's separation barrier on the left and the gates of Auschwitz Nazi death camp on the right, during a protest against the Israeli military operations in Gaza Strip, near the West Bank city of Nablus, Monday, Nov. 19, 2012. (AP Photo/Nasser Ishtayeh)

  • The dead body of a Palestinian woman from the Abdel Aal family is pulled out from the rubble after the family house collapsed during an Israeli forces strike in the Tufah neighbourhood, Gaza City, Sunday, Nov. 18, 2012. The Israeli military widened its range of targets in the Gaza Strip on Sunday to include the media operations of the Palestinian territory's Hamas rulers, sending its aircraft to attack two buildings used by both Hamas and foreign media outlets. (AP Photo/Majed Hamdan)

  • A member of the Abdel Aal family is rescued after his family house collapsed during an Israeli forces strike in the Tufah neighbourhood, Gaza City, Sunday, Nov. 18, 2012. The Israeli military widened its range of targets in the Gaza Strip on Sunday to include the media operations of the Palestinian territory's Hamas rulers, sending its aircraft to attack two buildings used by both Hamas and foreign media outlets. (AP Photo/Majed Hamdan)

  • Palestinians carry bodies of members of the Daloo family during their funeral in Gaza City, Monday, Nov. 19, 2012. At least eleven members of the Daloo family were killed on Sunday when an Israeli missile struck the two-story home of the family in a residential area of Gaza City. (AP Photo/Bernat Armangue)

  • The body of 11-month old Ibrahim Daloo is carried by mourners past reporters during a funeral for members of the Daloo family in Gaza City, Monday, Nov. 19, 2012. Eleven members of the Daloo family were killed on Sunday when an Israeli missile struck the two-story home of the family in a residential area of Gaza City. (AP Photo/Hatem Moussa)

  • Palestinians pray over the bodies of farmers Amin Bashir, 40, and Tamer Bashir, 30, during their funeral in Deir Al Balah, central Gaza Strip, Monday, Nov. 19, 2012. The Palestinian civilian death toll mounted Monday as Israeli aircraft struck densely populated areas in the Gaza Strip in its campaign to quell militant rocket fire menacing nearly half of Israel's population. (AP Photo/Adel Hana)

  • Palestinians pray over the bodies of farmers Amin Bashir, 40, and Tamer Bashir, 30, during their funeral in Deir Al Balah, central Gaza Strip, Monday, Nov. 19, 2012. The Palestinian civilian death toll mounted Monday as Israeli aircraft struck densely populated areas in the Gaza Strip in its campaign to quell militant rocket fire menacing nearly half of Israel's population. (AP Photo/Adel Hana)

  • Palestinian mourners carry the body of farmer Amin Bashir, 40, during his funeral in Deir Al Balah, central Gaza Strip, Monday, Nov. 19, 2012. The Palestinian civilian death toll mounted Monday as Israeli aircraft struck densely populated areas in the Gaza Strip in its campaign to quell militant rocket fire menacing nearly half of Israel's population. (AP Photo/Adel Hana)

  • A protester from a student union shouts slogans during a protest outside Israeli Embassy in New Delhi, India, Monday, Nov. 19, 2012. The protest was against the Israeli military operations in Gaza Strip, near the West Bank city of Nablus. (AP Photo/Manish Swarup)

  • A protester from a student union shouts slogans during a protest outside Israeli Embassy in New Delhi, India, Monday, Nov. 19, 2012. The protest was against the Israeli military operations in Gaza Strip, near the West Bank city of Nablus. (AP Photo/Manish Swarup)

  • Protesters from various student unions shout slogans during a protest outside Israeli Embassy in New Delhi, India, Monday, Nov. 19, 2012. The protest was against the Israeli military operations in Gaza Strip, near the West Bank city of Nablus. (AP Photo/Manish Swarup)

  • Smoke trails are seen after ordnance were fired by Palestinian militants from Gaza City towards southern Israel, Monday, Nov. 19, 2012. (AP Photo/Hatem Moussa)

  • Protesters from various student unions shout slogans during a protest outside Israeli Embassy in New Delhi, India, Monday, Nov. 19, 2012. The protest was against the Israeli military operations in Gaza Strip, near the West Bank city of Nablus. (AP Photo/Manish Swarup)

  • Smoke and fire are seen from an explosion by a high rise housing media organizations in Gaza City, Monday, Nov. 19, 2012. It's the Israel's military second strike on the building in two days. The Hamas TV station, Al Aqsa, is located on the top floor. (AP Photo/Hatem Moussa)

  • Pakistani students light candles to condemn the Israeli offensive in Gaza in Karachi, Pakistan, Monday, Nov. 19, 2012. (AP Photo/Shakil Adil))

  • Smoke is seen from an explosion by a high rise housing media organizations in Gaza City, Monday, Nov. 19, 2012. It's the Israel's military second strike on the building in two days. The Hamas TV station, Al Aqsa, is located on the top floor. (AP Photo/Hatem Moussa)

  • Smoke and fire are seen from an explosion by a high rise housing media organizations in Gaza City, Monday, Nov. 19, 2012. It's the Israel's military second strike on the building in two days. The Hamas TV station, Al Aqsa, is located on the top floor. (AP Photo/Hatem Moussa)

  • A Palestinian inspects damaged cars following an Israeli air strike in Rafah southern Gaza Strip, Monday, Nov. 19, 2012. (AP Photo/Hatem Omar)

  • Fire is seen from the explosion at a high rise housing media organizations in Gaza City, Monday, Nov. 19, 2012. It's the Israel's military second strike on the building in two days. The Hamas TV station, Al Aqsa, is located on the top floor. (AP Photo/Hatem Moussa)

  • Smoke and fire are seen from the explosion by a high rise housing media organizations in Gaza City, Monday, Nov. 19, 2012. It's the Israel's military second strike on the building in two days. The Hamas TV station, Al Aqsa, is located on the top floor. (AP Photo/Hatem Moussa)

  • Israeli police sappers remove the remains of an ordnance fired by Palestinian militants from the Gaza Strip that landed in the southern Israeli town of Ashkelon, Monday, Nov. 19, 2012. Exchange of fire between Israel and Gaza militants continued for the sixth day on Monday.(AP Photo/Tsafrir Abayov)

  • Palestinians carry injured people after an Israeli strike on a building in Gaza City, Monday, Nov. 19, 2012. It's the Israel's military second strike on the building in two days. Palestinian militant group Islamic Jihad says an Israeli strike on a Gaza media center has killed one of its top militant leaders. (AP Photo/Bernat Armangue)

  • Palestinians firefighters try to extinguish a fire after an Israeli strike on a building of Gaza City, Monday, Nov. 19, 2012. Palestinian militant group Islamic Jihad says an Israeli strike on a Gaza media center has killed one of its top militant leaders. (AP Photo/Bernat Armangue)

  • Palestinians firefighters try to extinguish a fire after an Israeli strike on a building of Gaza City, Monday, Nov. 19, 2012. Palestinian militant group Islamic Jihad says an Israeli strike on a Gaza media center has killed one of its top militant leaders. (AP Photo/Bernat Armangue)

  • Israeli border policemen run during a protest against the Israeli military operations in Gaza Strip near the West Bank city of Nablus, Monday, Nov. 19, 2012. Israeli aircraft struck crowded areas in the Gaza Strip and killed a senior militant with a missile strike on a media center Monday, driving up the Palestinian death toll to 96, as Israel broadened its targets in the 6-day-old offensive meant to quell Hamas rocket fire on Israel. (AP Photo/Nasser Ishtayeh)

  • Israeli women take cover in a stairwell as a siren signals the warning of incoming rockets in the coastal city of Ashkelon, Monday, Nov. 19, 2012. Israeli aircraft struck crowded areas in the Gaza Strip and killed a senior militant with a missile strike on a media center Monday, driving up the Palestinian death toll to 96, as Israel broadened its targets in the 6-day-old offensive meant to quell Hamas rocket fire on Israel. (AP Photo/Tsafrir Abayov)

  • Palestinians remove debris from a building that was damaged after an Israeli strike, in Gaza City, Monday, Nov. 19, 2012. It's the Israel's military second strike on the building in two days. Palestinian militant group Islamic Jihad says an Israeli strike on a Gaza media center has killed one of its top militant leaders. (AP Photo/Bernat Armangue)

  • Palestinians carry an injured man after an Israeli strike on a building, in Gaza City, Monday, Nov. 19, 2012. It's the Israel's military second strike on the building in two days. Palestinian militant group Islamic Jihad says an Israeli strike on a Gaza media center has killed one of its top militant leaders. (AP Photo/Bernat Armangue)

  • Israeli soldiers lie on the ground as an Iron Dome missile is launched near the city of Ashdod, Israel, Monday Nov 19. 2012. Israeli aircraft struck crowded areas in the Gaza Strip and killed a senior militant with a missile strike on a media center Monday, driving up the Palestinian death toll to 96, as Israel broadened its targets in the 6-day-old offensive meant to quell Hamas rocket fire on Israel. (AP Photo/Moti Milrod) ISRAEL OUT

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    A Palestinian youth throws a rock at Israeli border gaurds during clashes in the West Bank town of Nablus, on November 18, 2012, as Palestinian across the territories protest against Israel's military action on the Gaza Strip. Israel's Foreign Minister Avigdor Lieberman said that Israel would not negotiate a truce with Gaza Strip's Hamas rulers as long as rocket fire continues from the Palestinian enclave. AFP PHOTO / JAAFAR ASHTIYEH (Photo credit should read JAAFAR ASHTIYEH/AFP/Getty Images)

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    A Palestinian stone thrower jumps as tear gas is fired by Israeli soldiers during clashes in the West Bank town of Nablus, on November 18, 2012, as Palestinian across the territories protest against Israel's military action on the Gaza Strip. Israel's Foreign Minister Avigdor Lieberman said that Israel would not negotiate a truce with Gaza Strip's Hamas rulers as long as rocket fire continues from the Palestinian enclave. AFP PHOTO / JAAFAR ASHTIYEH (Photo credit should read JAAFAR ASHTIYEH/AFP/Getty Images)

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    An Israeli soldier smokes a cigarette next to a convey of tanks at an Israeli army deployment area near the Israel-Gaza Strip border as they prepare for a potential ground operation in the Palestinian coastal enclave on November 19, 2012. Israeli air strikes killed 10 Palestinians raising the toll to 87, as Israel pushed raids against Gaza militants into a sixth day amid a flurry of efforts to broker a truce. AFP PHOTO/MENAHEM KAHANA (Photo credit should read MENAHEM KAHANA/AFP/Getty Images)

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    Israeli soldiers from a tank squadron check their weapons at an Israeli army deployment area near the Israel-Gaza Strip border on November 19, 2012. The Israeli cabinet gave its green light for the recruitment of up to 75,000 reservists, Channel 2 television said, amid signs that Israel was gearing up for a ground offensive in Gaza. AFP PHOTO / JACK GUEZ (Photo credit should read JACK GUEZ/AFP/Getty Images)

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    An Israeli soldier sits on top of a tank at an Israeli army deployment area near the Israel-Gaza Strip border as they prepare for a potential ground operation in the Palestinian coastal enclave on November 19, 2012. Israeli air strikes killed 10 Palestinians raising the toll to 87, as Israel pushed raids against Gaza militants into a sixth day amid a flurry of efforts to broker a truce. AFP PHOTO/MENAHEM KAHANA (Photo credit should read MENAHEM KAHANA/AFP/Getty Images)

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    Israeli soldiers wearing 'Talit' (prayer shawls) and 'Tefilin' (phylacteries) conduct morning prayers at an Israeli army deployment area near the Israel-Gaza Strip border as they prepare for a potential ground operation in the Palestinian coastal enclave on November 19, 2012. Israeli Prime Minister Benjamin Netanyahu said that Israel is ready to 'significantly expand' its operation against militants in the Hamas-run Gaza Strip as it entered its sixth day. AFP PHOTO/MENAHEM KAHANA (Photo credit should read MENAHEM KAHANA/AFP/Getty Images)

  • Israeli Troops Continue To Gather On Border As UN Call For Truce

    ISRAEL/GAZA BORDER, ISRAEL- NOVEMBER 19: (ISRAEL OUT) An Israeli soldier sits in his tank in a deployment area on November 19, 2012 on Israel's border with the Gaza Strip. The death toll has risen to at least 85 killed in the air strikes, according to hospital officials, on day six since the launch of operation 'Pillar of Defence.' (Photo by Uriel Sinai/Getty Images)

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    An Israeli soldier sleeps on top of a tank at an Israeli army deployment area near the Israel-Gaza Strip border as they prepare for a potential ground operation in the Palestinian coastal enclave on November 19, 2012. Israeli air strikes killed 10 Palestinians raising the toll to 87, as Israel pushed raids against Gaza militants into a sixth day amid a flurry of efforts to broker a truce. AFP PHOTO/MENAHEM KAHANA (Photo credit should read MENAHEM KAHANA/AFP/Getty Images)

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    An Israeli soldier from a tank squadron wearing 'Talit' (prayer shawls) prays on top of a tank in an Israeli army deployment area near the Israel-Gaza Strip border on November 19, 2012. The Israeli cabinet gave its green light for the recruitment of up to 75,000 reservists, Channel 2 television said, amid signs that Israel was gearing up for a ground offensive in Gaza. AFP PHOTO / JACK GUEZ (Photo credit should read JACK GUEZ/AFP/Getty Images)

  • Israeli Troops Continue To Gather On Border As UN Call For Truce

    ISRAEL/GAZA BORDER, ISRAEL- NOVEMBER 19: (ISRAEL OUT) An Israeli soldier walks in a deployment area on November 19, 2012 on Israel's border with the Gaza Strip. The death toll has risen to at least 85 killed in the air strikes, according to hospital officials, on day six since the launch of operation 'Pillar of Defence.' (Photo by Uriel Sinai/Getty Images)

  • Israeli Troops Continue To Gather On Border As UN Call For Truce

    ISRAEL/GAZA BORDER, ISRAEL- NOVEMBER 19: An Israeli soldier on route to the border with Gaza gestures a victory sign on November 19, 2012 on Israel's border with the Gaza Strip. The death toll has risen to at least 85 killed in the air strikes, according to hospital officials, on day six since the launch of operation 'Pillar of Defence.' (Photo by Christopher Furlong/Getty Images)

  • Israeli Troops Continue To Gather On Border As UN Call For Truce

    ISRAEL/GAZA BORDER, ISRAEL- NOVEMBER 19: Israeli soldiers prepare an artillery emplacement overlooking Gaza on November 19, 2012 on Israel's border with the Gaza Strip. The death toll has risen to at least 85 killed in the air strikes, according to hospital officials, on day six since the launch of operation 'Pillar of Defence.' (Photo by Christopher Furlong/Getty Images)

  • Israeli Troops Continue To Gather On Border As UN Call For Truce

    ISRAEL/GAZA BORDER, ISRAEL- NOVEMBER 19: Israeli soldiers prepare an artillery emplacement overlooking Gaza on November 19, 2012 on Israel's border with the Gaza Strip. The death toll has risen to at least 85 killed in the air strikes, according to hospital officials, on day six since the launch of operation 'Pillar of Defence.' (Photo by Christopher Furlong/Getty Images)

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    Supporters of Pakistani cricketer turned politician Imran Khan of Pakistan Tehreek-i-Insaaf (PTI - Movement for Justice) carry placards during an anti-Israel protest in Islamabad on November 19, 2012. Israeli air strikes killed 13 Palestinians on November 19, hiking the Gaza death toll to 91 as global efforts to broker a truce to end the worst violence in four years gathered pace. AFP PHOTO/Aamir QURESHI (Photo credit should read AAMIR QURESHI/AFP/Getty Images)

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    Israeli soldiers look on a as Palestinian students from the Birzeit University clash with Israeli soldiers at the Atara checkpoint close to the university as they protest against Israel's military action on the Gaza Strip, on November 19, 2012. Israeli air strikes across the Gaza Strip killed 13 people, raising the Palestinian death toll to 90 as Israel's relentless air campaign entered its sixth day. AFP PHOTO / ABBAS MOMANI (Photo credit should read ABBAS MOMANI/AFP/Getty Images)

  • Israeli Troops Continue To Gather On Border As UN Call For Truce

    ISRAEL/GAZA BORDER, ISRAEL - NOVEMBER 19: A man sits on a discarded armchair on a hill overlooking Gaza as Israeli forces continue to bombard Gaza on November 19, 2012 on Israel's border with the Gaza Strip. The death toll has risen to at least 85 killed in the air strikes, according to hospital officials, on day six since the launch of operation 'Pillar of Defence.' (Photo by Christopher Furlong/Getty Images)

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    Pakistani activists of Islami Jamiat-e-Tulaba (IJT), a student wing of fundamentalist party Jamaat-i-Islami (JI), shout anti-Israel slogans during a protest in Karachi on November 19, 2012. Israeli air strikes killed 13 Palestinians on November 19, hiking the Gaza death toll to 91 as global efforts to broker a truce to end the worst violence in four years gathered pace. AFP PHOTO/Rizwan TABASSUM (Photo credit should read RIZWAN TABASSUM/AFP/Getty Images)

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    A dog hides in his kennel as a Birzeit University Palestinian student holding rocks looks towards clashes with Israeli soldiers at the Atara checkpoint close to the university as they protest against Israel's military action on the Gaza Strip, on November 19, 2012. Israeli air strikes across the Gaza Strip killed 13 people, raising the Palestinian death toll to 90 as Israel's relentless air campaign entered its sixth day. AFP PHOTO / ABBAS MOMANI (Photo credit should read ABBAS MOMANI/AFP/Getty Images)

  • Israeli Troops Continue To Gather On Border As UN Call For Truce

    ISRAEL/GAZA BORDER, ISRAEL - NOVEMBER 19: A plume of smoke rises above Gaza City after an Israeli airstrike on November 19, 2012 on Israel's border with the Gaza Strip. The death toll has risen to at least 85 killed in the air strikes, according to hospital officials, on day six since the launch of operation 'Pillar of Defence.' (Photo by Christopher Furlong/Getty Images)

  • PALESTINIAN-ISRAEL-GAZA-CONFLICT

    Birzeit University students takes cover behind the university's sign during clashes with Israeli soldiers at the Atara checkpoint close to the university as they protest against Israel's military action on the Gaza Strip, on November 19, 2012. Israeli air strikes across the Gaza Strip killed 13 people, raising the Palestinian death toll to 90 as Israel's relentless air campaign entered its sixth day. AFP PHOTO / ABBAS MOMANI (Photo credit should read ABBAS MOMANI/AFP/Getty Images)

  • PAKISTAN-ISRAEL-PALESTINIANS-PROTEST

    Pakistani activists of Islami Jamiat-e-Tulaba (IJT), a student wing of fundamentalist party Jamaat-i-Islami (JI), shout anti-Israel slogans during a protest in Karachi on November 19, 2012. Israeli air strikes killed 13 Palestinians on November 19, hiking the Gaza death toll to 91 as global efforts to broker a truce to end the worst violence in four years gathered pace. AFP PHOTO/Rizwan TABASSUM (Photo credit should read RIZWAN TABASSUM/AFP/Getty Images)