Deadly train derailment in Washington

The scene where an Amtrak passenger train derailed on a bridge over interstate highway I-5 in DuPont, Washingtmore

The scene where an Amtrak passenger train derailed on a bridge over interstate highway I-5. REUTERS/Steve Dipamore

The scene where an Amtrak passenger train derailed. REUTERS/Steve Dipaola

New railroad tracks just prior to the scene where an Amtrak passenger train derailed. REUTERS/Steve Dipaola

An Amtrak passenger train is seen derailed. Courtesy Pierce County Sheriff's Department/Handout via REUTERS

Traffic moves by the scene where an Amtrak passenger train derailed on a bridge over interstate highway I-5. Rmore

Investigators begin analysis at the scene where an Amtrak passenger train derailed on a bridge over interstatemore

First responders are at the scene of an Amtrak passenger train which derailed and is hanging from a bridge ovemore

Parts of an Amtrak passenger train at the scene of derailment. Courtesy Pierce County Sheriff's Department/Hanmore

An Amtrak passenger train is seen derailed on a bridge over interstate highway I-5. Courtesy WSDOT/Handout viamore

The scene where an Amtrak passenger train derailed. REUTERS/Steve Dipaola

The Amtrak passenger train which derailed is seen hanging from a bridge over the interstate highway (I-5). REUmore

First responders are seen at the scene of an Amtrak passenger train derailment. REUTERS/Nick Adams

An Amtrak passenger train derailment over interstate highway I-5 is seen in this Washington State Patrol imagemore

The scene where an Amtrak passenger train derailed on a bridge over interstate highway I-5. REUTERS/Steve Dipamore

First responders are seen at the scene of an Amtrak passenger train derailment. Courtesy Brooke Bova/Washingtomore

Parts of an Amtrak passenger train at the scene of derailment. Courtesy Pierce County Sheriff's Department/Hanmore

First responders are at the scene of an Amtrak passenger train derailment. REUTERS/Nick Adams

The scene where an Amtrak passenger train derailed on a bridge over interstate highway I-5. REUTERS/Steve Dipamore

Emergency services next to a derailed Amtrak train. COURTESY BRADEN CHAPMAN via REUTERS