Oil Train Explodes in Canada

A firefighter and an emergency crew work on the site of the train wreck in Lac Megantic, Quebec, July 16, 2013.

Melted glass on a lamb post is pictured on the site of the train wreck in Lac-Megantic, Quebec, July 16, 2013.

A man sits with a sign outside the school sheltering evacuees in Lac-Megantic, Quebec, Canada, July 10, 2013.

Insurance inspectors walk the rail line heading toward the center of the town in Lac Megantic, Quebec, Canada, July 10, 2013.

A house close to the train wreckage is pictured in Lac Megantic, Quebec, Canada, July 9, 2013.

Wagons of the train wreck are seen in Lac Megantic, Quebec, Canada, July 9, 2013.

Canada's Prime Minister Stephen Harper speaks with firefighters while he tours the wreckage of the train explosion in Lac Megantic, Quebec, Canada, July 7, 2013.

A volunteer gives clothes to a woman who was evacuated from her home after the train explosion in Lac Megantic, Quebec, July 7, 2013.

A view Lac Megantic, Quebec, after a driverless freight train derailed and exploded, July 7, 2013.

A burnt out vehicle sits near the wreckage of a train car after a train derailment in Lac-Megantic, Quebec, July 7, 2013.

Smoke billows from fire at the site of a train derailment in Lac Megantic, Quebec, July 6, 2013.

Melted siding on a home is seen near the scene of a train derailment in Lac Megantic, Quebec, July 7, 2013.