Deadly Collision in Valhalla

A sports utility vehicle remains crushed and burned at the front of a Metro North train on Feb. 4, 2015, in Valhalla, N.Y. Six people were killed after a crowded commuter train slammed into a sport utility vehicle on the tracks north of New York City on Tuesday.

It was the deadliest accident in the history of the Metro-North system, which carries about 285,000 passengers a day.

Mark Lennihan / AP

Fire fighters respond at the scene of a Metro North commuter train crash in Valhalla, N.Y., on Feb. 3, 2015.

Ray Garcia

The Valhalla Fire Department responds at the scene.

Ray Garcia

First responders work at the scene of as passengers make their way to a safe exit.

Andrew Delaney / Getty Images North America

Emergency workers stand near the burned train.

Mike Segar / X90033

Emergency workers examine the train.

Mike Segar / X90033

Firefighters carry a stretcher over railroad tracks at the site of the accident.

Adrees Latif / X90022