Data recorders have been recovered from the wreckage of an American train that derailed in Philadelphia in an accident that claimed 7 lives.
More than 50 people were treated in hospital for their injuries.
Reports suggest the train was traveling at twice the 50 mile per-hour speed limit when the accident occurred.
Our US Correspondent Simon Marks reports.
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Meanwhile White House spokesman Josh Earnest said President Obama had been in touch with authorities in Philadelphia about the derailment:
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White House spokesman Josh Earnest said the investigation into what caused the crash must be allowed to run its course:
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