At Least 5 Dead, 65 Hospitalized After Amtrak Train Derails in Philadelphia

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(CNN)-

Armed with flashlights, firefighters workers went from car to car late Tuesday night, rescuing passengers from an Amtrak passenger train that derailed and tipped over in Philadelphia -- killing at least five.

Another 65 were hospitalized, including six in critical condition, authorities said. The train was carrying 238 passengers and five crew members.

"It is an absolute, disastrous mess," Philadelphia Mayor Michael Nutter of the crash site.

The Amtrak Northeast Regional Train 188 was traveling from Washington to New York when it derailed north of the city of Philadelphia, Amtrak said. The cause wasn't immediately known.

"We do not know what happened here. We do not know why it happened," Nutter said.

Firefighters arrived to find seven cars and the train's engine either turned over or upside down. Most of the passengers were able to escape safely. Crews had to cut through the cars to get to others.

Late Tuesday night, authorities wouldn't speculate on whether anyone was still left on board the train.

"This is a nightmare and it can't be happening," passenger Joan Elfman told CNN affiliate KYW. "There are many, many injured people."

The FBI was on the scene to assist in the investigation, but so far there is nothing to indicate the incident was an act of terrorism. Investigators will the National Transportation Safety Board will arrive in the morning.

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At the scene, passengers with bloodied clothes talked with first responders. Some with more severe injuries -- bloodied foreheads wrapped in bandages -- had to be helped away, propped up under rescuers' arms.

Philadelphia police asked area residents to not crowd to the scene to allow firefighters to do their job.

Former Congressman Patrick Murphy said on Twitter that he was aboard the train when it crashed. "Helping others," he said. "Pray for those injured."

Later he shared a photo that showed a firefighter inside the train.

On Instagram, another passenger posted video of what appeared to be a rescue in progress.

Amtrak shut down rail service between Philadelphia and New York City for the night. It set up a special number for those seeking information on friends and family aboard the train: 1-800-523-9101.

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