At least 13 dead in Canada train blast

Firefighters work to put out fires at the wreckage of the train in Lac-Megantic on July 6.
Firefighters work to put out fires at the wreckage of the train in Lac-Megantic on July 6.

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    At least 13 dead in Canada train blast

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In Canada, 13 people are dead and 37 people are missing after a 73-car train derailed and exploded. Anna Coren reports.