The National Transportation Safety Board is investigating an Amtrak derailment in Philadelphia, Pa.
NTSB investigator Ted Turpin is leading the team as investigator-in-charge. NTSB Board Member Robert Sumwalt acompanied the team and served as the principal spokesman during the on-scene phase of the investigation.
Public Affairs Officer Peter Knudson was also on-scene in Philadelphia to coordinate media-related activities. He can be reached at email@example.com or by mobile phone at 202-557-1350.
Follow NTSB on Twitter: @NTSB #Amtrak
See the photos on Flickr
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06/02/2015 - Christopher A. Hart, Chairman - Testimony Before the Committee on Transportation and Infrastructure United States House of Representatives on Oversight of the Amtrak Accident in Philadelphia