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A Metro-North locomotive lies on its side after derailing, Sunday, Dec. 1, 2013 in the Bronx borough of New York. The train derailed on a curved section of track in the Bronx on Sunday morning, coming to rest just inches from the water and causing multiple fatalities and dozens of injuries, authorities said. (AP Photo/Mark Lennihan)
A Metro-North locomotive lies on its side after derailing, Sunday, Dec. 1, 2013 in the Bronx borough of New York. The train derailed on a curved section of track in the Bronx on Sunday morning, coming to rest just inches from the water and causing multiple fatalities and dozens of injuries, authorities said. (AP Photo/Mark Lennihan)

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    NTSB: Train going 82 MPH in 30 MPH zone

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NTSB: Train going 82 MPH in 30 MPH zone

NTSB officials are still investigating the derailment of a New York commuter train. Four people were killed in the crash

NTSB: Train going 82 MPH in 30 MPH zone

NTSB officials are still investigating the derailment of a New York commuter train. Four people were killed in the crash