Smoke billows from the B.E.M fireworks factory in Coteau du Lac, Quebec, Thursday, June 20, 2013, following an explosion. Quebec provincial police are investigating a massive explosion at the

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Smoke billows from the B.E.M fireworks factory in Coteau du Lac, Quebec, Thursday, June 20, 2013, following an explosion. Quebec provincial police are investigating a massive explosion at the fireworks factory west of Montreal. There were no immediate reports of injuries and the cause of the blast is unknown. Police have ordered the surrounding community of Coteau-du-Lac evacuated. (AP Photo/The Canadian Press, Graham Hughes) less 

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Associated Press
Fri, Jun 28, 2013 11:58 AM EDT