Captioning funded by cbs th 2015. Good good morning. Im Alison Harmelin in for annemarie green. The amtrak train was going twice the speed limit. The trains data recorder indicates the engineer slammed on the brakes but it was too late. The train was traveling at 106 Miles Per Hour when it hit the sharp curve. The speed limit is 50 Miles Per Hour. The engineer has been identified but its unclear if hes cooperating with investigators. At least seven people were killed, many more than 200 others were injured. Rail service along the new york corridor is suspended forcing thousands t seek alternate transportation. Crews worked through the night at the crash site. Don champion is in philadelphia with the latest. Don, good morning. Reporter good morning, alison. While the speed alone is the latest, investigators say its too early to tell if it alone caused the accident. Ntsb investigators say their work is just beginning. Crews used heavy machinery overnight to remove the wreckage from the t