FILE - In this Tuesday, July 9, 2013 file photo, workers comb through debris after a train derailed three days earlier causing explosions of railway cars carrying crude oil in Lac-Megantic, Quebec. ... more 
FILE - In this Tuesday, July 9, 2013 file photo, workers comb through debris after a train derailed three days earlier causing explosions of railway cars carrying crude oil in Lac-Megantic, Quebec. Montreal, Maine and Atlantic, the Maine-based railroad whose train derailed, filed for Chapter 11 bankruptcy protection Wednesday, Aug. 7, 2013. (AP Photo/The Canadian Press, Paul Chiasson, File) less 
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Associated Press | Photo By The Canadian Press, Paul Chiasson, File
Wed, Aug 7, 2013 5:58 PM EDT