At least ten people have been killed and many more injured - 55 seriously - in a head-on collision between two passenger trains in Germany.
The crash happened at the town of Bad Aibling, around 37 miles south-east of Munich at 6.48am local time on Tuesday. Around 150 people were injured.
Aerial photos of the crash scene
The trains partially derailed and a number of carriages overturned. German police said all the survivors in the Bavaria rail crash have now been rescued from the wreckage.
Police spokesman Rainer Scharf said: "Given the severity of the accident, we believe the two regional trains collided head-on at a low speed."
Most of those on board were commuters travelling between Munich and Rosenheim.
The train normally carries schoolchildren but they are off on holiday this week, local media reported.
Police spokesman Stefan Sonntag told The Associated Press: "This is the biggest accident we have had in years in this region and we have many emergency doctors, ambulances and helicopters on the scene."
Eight rescue helicopters are involved in the operation.
Bernd Rosenbusch, head of the Bavarian overland train service BOB, said: "The accident is a huge shock for us. We’re doing everything to help the passengers, their relatives and train personnel."
The cause of the collision is not yet known. Both train drivers are understood to be among the dead. A press conference giving more details is due to take place at 12pm.
Bad Aibling Train Crash
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Aerial view shows firefighters and emergency doctors working at the site of a train accident near Bad Aibling, southern Germany, on February 9, 2016.Two Meridian commuter trains operated by Transdev collided head-on near Bad Aibling, around 60 kilometres (40 miles) southeast of Munich, killing at least eight people and injuring around 100, police said. The cause of the accident was not immediately clear. / AFP / dpa / Peter Kneffel / Germany OUT (Photo credit should read PETER KNEFFEL/AFP/Getty Images) (credit:PETER KNEFFEL via Getty Images)
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Aerial view shows firefighters and emergency doctors working at the site of a train accident near Bad Aibling, southern Germany, on February 9, 2016.Two Meridian commuter trains operated by Transdev collided head-on near Bad Aibling, around 60 kilometres (40 miles) southeast of Munich, killing at least eight people and injuring around 100, police said. The cause of the accident was not immediately clear. / AFP / dpa / Peter Kneffel / Germany OUT (Photo credit should read PETER KNEFFEL/AFP/Getty Images) (credit:PETER KNEFFEL via Getty Images)
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Aerial view shows firefighters and emergency doctors working at the site of a train accident near Bad Aibling, southern Germany, on February 9, 2016.Two Meridian commuter trains operated by Transdev collided head-on near Bad Aibling, around 60 kilometres (40 miles) southeast of Munich, killing at least eight people and injuring around 100, police said. The cause of the accident was not immediately clear. / AFP / dpa / Peter Kneffel / Germany OUT (Photo credit should read PETER KNEFFEL/AFP/Getty Images) (credit:PETER KNEFFEL via Getty Images)
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Firefighters and emergency doctors work at the site of a train accident near Bad Aibling, southern Germany, on February 9, 2016.Two Meridian commuter trains operated by Transdev collided head-on near Bad Aibling, around 60 kilometres (40 miles) southeast of Munich, killing at least eight people and injuring around 100, police said. The cause of the accident was not immediately clear. / AFP / dpa / Peter Kneffel / Germany OUT (Photo credit should read PETER KNEFFEL/AFP/Getty Images) (credit:PETER KNEFFEL via Getty Images)
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BAD AIBLING, GERMANY - FEBRUARY 09: Rescue workers stand near the wreckage of two trains that collided head-on several hours before in Bavaria on February 9, 2016 near Bad Aibling, Germany. Authorities say at least four people are dead and over 150 injured in the collision between two trains of the Meridian local commuter train service that occurred at approximately 7 am. (Photo by Alexander Hassenstein/Getty Images) (credit:Alexander Hassenstein via Getty Images)
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BAD AIBLING, GERMANY - FEBRUARY 09: Emergency Rescue workers carrying a victim at the wreckage of two trains that collided head-on several hours before in Bavaria on February 9, 2016 near Bad Aibling, Germany. Authorities say at least four people are dead and over 150 injured in the collision between two trains of the Meridian local commuter train service that occurred at approximately 7 am. (Photo by Alexander Hassenstein/Getty Images) (credit:Alexander Hassenstein via Getty Images)
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BAD AIBLING, GERMANY - FEBRUARY 09: Emergency Rescue workers carrying a victim at the wreckage of two trains that collided head-on several hours before in Bavaria on February 9, 2016 near Bad Aibling, Germany. Authorities say at least four people are dead and over 150 injured in the collision between two trains of the Meridian local commuter train service that occurred at approximately 7 am. (Photo by Alexander Hassenstein/Getty Images) (credit:Alexander Hassenstein via Getty Images)
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BAD AIBLING, GERMANY - FEBRUARY 09: Rescue workers stand near the wreckage of two trains that collided head-on several hours before in Bavaria on February 9, 2016 near Bad Aibling, Germany. Authorities say at least four people are dead and over 150 injured in the collision between two trains of the Meridian local commuter train service that occurred at approximately 7 am. (Photo by Alexander Hassenstein/Getty Images) (credit:Alexander Hassenstein via Getty Images)
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BAD AIBLING, GERMANY - FEBRUARY 09: Emergency Rescue workers carrying a victim at the wreckage of two trains that collided head-on several hours before in Bavaria on February 9, 2016 near Bad Aibling, Germany. Authorities say at least four people are dead and over 150 injured in the collision between two trains of the Meridian local commuter train service that occurred at approximately 7 am. (Photo by Alexander Hassenstein/Getty Images) (credit:Alexander Hassenstein via Getty Images)
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BAD AIBLING, GERMANY - FEBRUARY 09: Emergency Rescue workers carrying a victim at the wreckage of two trains that collided head-on several hours before in Bavaria on February 9, 2016 near Bad Aibling, Germany. Authorities say at least four people are dead and over 150 injured in the collision between two trains of the Meridian local commuter train service that occurred at approximately 7 am. (Photo by Alexander Hassenstein/Getty Images) (credit:Alexander Hassenstein via Getty Images)
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BAD AIBLING, GERMANY - FEBRUARY 09: Rescue workers stand near the wreckage of two trains that collided head-on several hours before in Bavaria on February 9, 2016 near Bad Aibling, Germany. Authorities say at least four people are dead and over 150 injured in the collision between two trains of the Meridian local commuter train service that occurred at approximately 7 am. (Photo by Alexander Hassenstein/Getty Images) (credit:Alexander Hassenstein via Getty Images)
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Rescue personnel work at the wreckages of two trains that collided head-on near Bad Aibling, southern Germany, Tuesday, Feb. 9, 2016. Several people have been killed and dozens were injured. (AP Photo/Matthias Schrader) (credit:ASSOCIATED PRESS)
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Rescue personnel attend an injured person beside of two trains that collided head-on near Bad Aibling, southern Germany, Tuesday, Feb. 9, 2016. Several people have been killed and dozens were injured. (AP Photo/Matthias Schrader) (credit:ASSOCIATED PRESS)
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A German rescue helicopter lands with an injured person underneath near the site where two trains collided head-on near Bad Aibling, southern Germany, Tuesday, Feb. 9, 2016. Several people have been killed and dozens were injured. (AP Photo/Matthias Schrader) (credit:ASSOCIATED PRESS)
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Rescue personnel stand at the bank of the small river in front of two trains that crashed head on near Bad Aibling, southern Germany, Tuesday morning, Feb. 9, 2016. At least four people were killed in the crash. (AP Photo/Sebastian Stepniewski) (credit:ASSOCIATED PRESS)
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Rescue personnel attend an injured person beside of two trains that collided head-on near Bad Aibling, southern Germany, Tuesday, Feb. 9, 2016. Several people have been killed and dozens were injured. (AP Photo/Matthias Schrader) (credit:ASSOCIATED PRESS)
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Rescue personnel carry an injured person near the site where two trains collided head-on near Bad Aibling, southern Germany, Tuesday, Feb. 9, 2016. Several people have been killed and dozens were injured. (AP Photo/Matthias Schrader) (credit:ASSOCIATED PRESS)
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Rescue workers rest at the site where two trains collided head-on near Bad Aibling, southern Germany, Tuesday, Feb. 9, 2016. Several people have been killed and dozens were injured. (AP Photo/Matthias Schrader) (credit:ASSOCIATED PRESS)
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Rescue workers cross the river on a dinghy near the site where two trains collided head-on near Bad Aibling, southern Germany, Tuesday, Feb. 9, 2016. Several people have been killed and dozens were injured. (AP Photo/Matthias Schrader) (credit:ASSOCIATED PRESS)
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Rescue personnel stand beside of two trains that crashed head on near Bad Aibling, southern Germany, Tuesday morning, Feb. 9, 2016. At least four people were killed in the crash. (AP Photo/Sebastian Stepniewski) (credit:ASSOCIATED PRESS)
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Rescue personnel stand in front of two trains that collided head-on near Bad Aibling, southern Germany, Tuesday, Feb. 9, 2016. Several people have been killed and dozens were injured. (AP Photo/Matthias Schrader) (credit:ASSOCIATED PRESS)
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Rescue personell stand in front of two trains that crashed head on near Bad Aibling, southern Germany, Tuesday morning, Feb. 9, 2016. At least four people were killed in the crash. (AP Photo/Sebastian Stepniewski) (credit:ASSOCIATED PRESS)
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Firefighters and emergency doctors work at the site of a train accident near Bad Aibling, southern Germany, on February 9, 2016.Two Meridian commuter trains operated by Transdev collided near Bad Aibling, around 60 kilometres (40 miles) southeast of Munich, killing at least four people and injuring around 100, police said. The cause of the accident was not immediately clear. / AFP / dpa / Sven Hoppe / Germany OUT (Photo credit should read SVEN HOPPE/AFP/Getty Images) (credit:SVEN HOPPE via Getty Images)
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Firefighters and emergency doctors work at the site of a train accident near Bad Aibling, southern Germany, on February 9, 2016.Two Meridian commuter trains operated by Transdev collided near Bad Aibling, around 60 kilometres (40 miles) southeast of Munich, killing at least four people and injuring around 100, police said. The cause of the accident was not immediately clear. / AFP / dpa / Sven Hoppe / Germany OUT (Photo credit should read SVEN HOPPE/AFP/Getty Images) (credit:SVEN HOPPE via Getty Images)
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Firefighters and emergency doctors work at the site of a train accident near Bad Aibling, southern Germany, on February 9, 2016.Two Meridian commuter trains operated by Transdev collided near Bad Aibling, around 60 kilometres (40 miles) southeast of Munich, killing at least four people and injuring around 100, police said. The cause of the accident was not immediately clear. / AFP / dpa / Sven Hoppe / Germany OUT (Photo credit should read SVEN HOPPE/AFP/Getty Images) (credit:SVEN HOPPE via Getty Images)
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Firefighters and emergency doctors work at the site of a train accident near Bad Aibling, southern Germany, on February 9, 2016.Two Meridian commuter trains operated by Transdev collided near Bad Aibling, around 60 kilometres (40 miles) southeast of Munich, killing at least four people and injuring around 100, police said. The cause of the accident was not immediately clear. / AFP / dpa / Sven Hoppe / Germany OUT (Photo credit should read SVEN HOPPE/AFP/Getty Images) (credit:SVEN HOPPE via Getty Images)
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Rescue helicopters are ready to fly to the site of a train accident on February 9, 2016 near Bad Aibling, southern Germany.Two commuter trains collided near Bad Aibling, around 60 kilometres (40 miles) southeast of Munich, killing at least four people and injuring around 100, police said. The cause of the accident was not immediately clear. / AFP / dpa / Sven Hoppe / Germany OUT (Photo credit should read SVEN HOPPE/AFP/Getty Images) (credit:SVEN HOPPE via Getty Images)
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A rescue worker gives thumb up as a German rescue helicopter takes off in Bad Aibling, Germany, Tuesday, Feb. 9, 2016. At least four people were killed in a train crash nearby. (AP Photo/Matthias Schrader) (credit:ASSOCIATED PRESS)
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Rescue personnel wait in Bad Aibling, Germany, Tuesday, Feb. 9, 2016, after two regional trains crashed killing at least two people. (AP Photo/Matthias Schrader) (credit:ASSOCIATED PRESS)
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Rescue personnel carry an empty stretcher past an Austrian rescue helicopter in Bad Aibling, Germany, Tuesday, Feb. 9, 2016. At least four people were killed in a train crash nearby. (AP Photo/Matthias Schrader) (credit:ASSOCIATED PRESS)
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Rescue personnel walk towards a police helicopter in Bad Aibling, Germany, Tuesday, Feb. 9, 2016. At least four people were killed in a train crash nearby. (AP Photo/Matthias Schrader) (credit:ASSOCIATED PRESS)
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A rescue helicopter flies to the site of a train accident on February 9, 2016 near Bad Aibling, southern Germany.Two commuter trains collided near Bad Aibling, around 60 kilometres (40 miles) southeast of Munich, killing at least four people and injuring around 100, police said. The cause of the accident was not immediately clear. / AFP / dpa / Paul WINTERER / Germany OUT (Photo credit should read PAUL WINTERER/AFP/Getty Images) (credit:AFP via Getty Images)
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Emergency doctors work at the site of a train accident near Bad Aibling, southern Germany, on February 9, 2016.Two Meridian commuter trains operated by Transdev collided near Bad Aibling, around 60 kilometres (40 miles) southeast of Munich, killing at least four people and injuring around 100, police said. The cause of the accident was not immediately clear. / AFP / dpa / Sven Hoppe / Germany OUT (Photo credit should read SVEN HOPPE/AFP/Getty Images) (credit:SVEN HOPPE via Getty Images)
A local blood bank made a desperate appeal for donors after the crash.
"On behalf of the sick and injured people, who urgently need your donation, we say a heartfelt thank you," the Facebook post said.
German Justice Minister Heiko Maas tweeted: "Really awful news from Bad Aibling. Our thoughts are with the victims and those injured. Thank you to the rescue workers."
More follows...