The investigation into the U.S. train crash which left 8 dead is focussing on the train engineer, Brandon Bostian.
The Amtrak passenger train was clocked at over 100 miles per hour in a zone limited to just 50 miles per hour.
Philadelphia Mayor Michael Nutter told reporters, the engineer was injured and declined an initial interview with investigators.
IN: "The engineer....
OUT: ...be interviewed."
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