The Latest: Amtrak contractor: Our workers weren't in crash

CHESTER, Pa. (AP) - The Latest on Sunday's derailment of an Amtrak train outside Philadelphia (all times local):

3:50 p.m.

An Amtrak contractor says it was performing work near where a passenger train crashed into a backhoe on the tracks, killing two people outside Philadelphia, but neither its equipment nor its workers were involved.

Autopsies were being performed on the two track workers who were killed Sunday. Federal officials say both victims worked for Amtrak.

A Minnesota company called Loram Maintenance of Way says it had several employees working in the area.

Loram official Tom DeJoseph says the company was doing maintenance on the stones that sit between the railway ties.

DeJoseph says the company had three or four people working there at a time, and more at shift changes.

He says he can't comment on typical safety procedures for track workers or say if Loram employees witnessed the crash.

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9 a.m.

Amtrak says trains are operating on or close to schedule along the Northeast Corridor following a deadly derailment outside Philadelphia.

Federal officials say two Amtrak workers were killed Sunday and more than 30 passengers injured when a train hit heavy equipment on the tracks and the lead engine derailed.

Train 89 was heading from New York to Savannah, Georgia, at the time.

It disrupted Amtrak service between New York and Philadelphia for a time Sunday, but train traffic is close to normal in the region on Monday.

The National Transportation Safety Board is investigating.

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2 a.m.

Amtrak says it is operating trains Monday as regularly scheduled although there may be some delays on Acela Express, Northeast Regional and other services between Philadelphia and Wilmington, Delaware.

Federal officials say two Amtrak workers were killed Sunday and more than 30 passengers injured when a train hit heavy equipment on tracks outside Philadelphia and the lead engine derailed.

Train 89 was heading from New York to Savannah, Georgia, at the time. Service was disrupted for a while on the Northeast Corridor between New York and Philadelphia and was limited between Wilmington, Delaware, and Philadelphia.

An Amtrak spokeswoman would not release other details about the derailment. The National Transportation Safety Board is investigating why the train and the equipment were on the same tracks.