Passenger Train Derails Near Philadelphia

Officials survey the site of a derailed Amtrak train in Philadelphia, May 13, 2015.

Emergency personnel work at the scene of a train wreck, in Philadelphia, May 12, 2015.

Emergency personnel help passengers at the scene of a train wreck, in Philadelphia, May 12, 2015.

Emergency personnel at work after the Amtrak train derailment in Philadelphia, May 12, 2015.

An Amtrak train headed to New York City derailed and crashed, killing at least six people. In this photo, emergency personnel work at the scene of the train wreck, in Philadelphia, May 12, 2015.

An Amtrak train with more than 200 passengers on board going to New York City derailed killing at least six people, Philadelphia, May 12, 2015.

Emergency personnel help a passenger at the scene of a train wreck, in Philadelphia, May 12, 2015.