
A wildfire moves towards the town of Anzac from Fort McMurray, Alberta., on Wednesday May 4, 2016. Alberta declared a state of emergency Wednesday as crews frantically held back wind-whipped wildfires. Unseasonably hot temperatures combined with dry conditions have transformed the boreal forest in much of Alberta into a tinder box. (Jason Franson/The Canadian Press via AP)
Evacuees camp by a lake as smoke fills the sky near Fort McMurray, Alberta, on Wednesday, May 4, 2016. Alberta declared a state of emergency Wednesday as crews frantically held back wind-whipped wildfires. No injuries or fatalities have been reported. (Jason Franson/The Canadian Press via AP)
A helicopter flies past a wildfire in Fort McMurray, Alberta on Wednesday, May 4, 2016. Alberta declared a state of emergency Wednesday as crews frantically held back wind-whipped wildfires that have already torched homes and other buildings in Canada's main oil sands city of Fort McMurray, forcing thousands of residents to flee. (Jason Franson /The Canadian Press via AP)
Evacuees watch the wildfire near Fort McMurray, Alberta, on Wednesday, May 4, 2016. Alberta declared a state of emergency Wednesday as crews frantically held back wind-whipped wildfires. No injuries or fatalities have been reported. (Jason Franson/The Canadian Press via AP)
An evacuee gathers clothes from the back of a truck at a rest stop near Fort McMurray, Alberta, Canada, on Wednesday, May 4, 2016. Thousands of residents were ordered to flee as flames moved into the Canadian oil sands city, destroying whole neighborhoods. (Jason Franson/The Canadian Press via AP)
Smoke rises above trees as a wildfire burns in Fort McMurray, Alberta on Wednesday, May 4, 2016. Alberta declared a state of emergency Wednesday as crews frantically held back wind-whipped wildfires that have already torched homes and other buildings in Canada's main oil sands city of Fort McMurray, forcing thousands of residents to flee. (Jason Franson /The Canadian Press via AP)
Conservation officers haul supplies to the evacuation center in Anzac south of Fort McMurray, Alberta, Wednesday, May 4, 2016. The raging wildfire emptied Canada's main oil sands city, destroying entire neighborhoods of Fort McMurray, where officials warned Wednesday that all efforts to suppress the fire have failed. (Jason Franson /The Canadian Press via AP)