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Volunteers load sandbags in the flooded Montreal borough of Pierrefonds on May 8, 2017. With heavy rains persisting and waters still rising over much of waterlogged eastern Canada, the nation's military tripled the number of troops urgently working to evacuate thousands of residents. Montreal Mayor Denis Coderre declared a state of emergency for his city, allowing authorities to order mandatory evacuations from threatened areas. / AFP PHOTO / Catherine Legault (Photo credit should read CATHERINE LEGAULT/AFP/Getty Images)

Volunteers load sandbags in the flooded Montreal borough of Pierrefonds on May 8, 2017. 
With heavy rains persisting and waters still rising over much of waterlogged eastern Canada, the nation's military tripled the number of troops urgently working to evacuate thousands of residents. Montreal Mayor Denis Coderre declared a state of emergency for his city, allowing authorities to order mandatory evacuations from threatened areas. / AFP PHOTO / Catherine Legault        (Photo credit should read CATHERINE LEGAULT/AFP/Getty Images)