The National Transportation Safety Board is investigating an Amtrak derailment in Philadelphia, Pa.
NTSB investigator Mike Flanigon is leading the team as investigator-in-charge.
NTSB Board Member Robert Sumwalt is accompanying the team and will serve as the principal spokesman during the on-scene phase of the investigation.
Public Affairs Officer Peter Knudson will also be on-scene in Philadelphia to coordinate media-related activities. He can be reached at peter.knudson@ntsb.gov or by mobile phone at 202-557-1350.
