Wildfire in Canadian oil-sands town forces 80,000 residents to evacuate

Flames rise off Highway 63 outside Fort McMurray, where raging forest fires have forced thousands from their homes.

Donated shoes are offered to evacuees at an evacuation center in Lac La Biche, Alberta.

Malibu Chartrand eats dinner at an evacuation center Saturday in Lac La Biche, Alberta.

Police officers direct traffic under a cloud of smoke from a wildfire in Fort McMurray, Alberta.

A police officer works at a roadblock May 6 on Highway 63 outside Fort McMurray, Canada, where tens of thousands fled a wildfire.  (Cole Burston / AFP/Getty Images)

Traffic backs up at a checkpoint outside Fort McMurray in the Canadian province of Alberta, where wildfires have forced the evacuation of the entire city of 80,000 and are still burning out of control.

Evacuees from the wildfire in Fort McMurray collect donated necessities at an evacuation center in Lac la Biche, Canada.

A glow from a wildfire is seen against smoke clouds near Fort McMurray, Canada, on May 4.

After fleeing a wildfire in Fort McMurray, Canada, Marlee Hildebrandt carries her daughter Oakley, 2, as she cleans cots at an evacuation center in Lac la Biche on May 5.