Station master arrested as death toll reaches 36 :…


Emergency crews continue to search through the wreckage after a train accident in the Tempe Valley near Larissa, Greece on Tuesday evening. At least 32 people were killed.

Vasilis Ververidis/Eurokinissi/motionteam/AFP via Getty Images


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Vasilis Ververidis/Eurokinissi/motionteam/AFP via Getty Images


Emergency crews continue to search through the wreckage after a train accident in the Tempe Valley near Larissa, Greece on Tuesday evening. At least 32 people were killed.

Vasilis Ververidis/Eurokinissi/motionteam/AFP via Getty Images

At least 36 people are dead and 66 have been hospitalized after a passenger train and a freight train collided on Tuesday night (local time) near the city of Larissa in Greece, according to local authorities.

Photos and video of the scene from Wednesday morning showed rescuers still maneuvering through twisted wreckage, searching for survivors.

By midday, with hope fading, investigators had begun turning to a question that’s become a familiar refrain in U.S. media following a major train derailment in Ohio earlier last month: What caused this crash?

Here’s a rundown of what we know.

How did the trains collide?

According to the national rail operator, the passenger train was carrying roughly 350 people at the time of the collision, traveling at high speed from Athens to Thessaloniki, Greece’s second-largest city.

The Associated Press reported that many of those passengers were students returning from Carnival, a three-day festival…