Investigators survey the site of a train derailment near the hamlet of Gainford, west of Edmonton October 20, 2013. The Canadian National Railway train carrying petroleum crude oil and liquefied ... more 
Investigators survey the site of a train derailment near the hamlet of Gainford, west of Edmonton October 20, 2013. The Canadian National Railway train carrying petroleum crude oil and liquefied petroleum gas derailed west of Edmonton, Alberta, the Transportation Safety Board of Canada said on October 19. REUTERS/Dan Riedlhuber (CANADA - Tags: DISASTER TRANSPORT) less 
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Reuters | Photo By DAN RIEDLHUBER / REUTERS
Sun, Oct 20, 2013 2:24 PM EDT