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A live map of the wildfires currently raging across Alberta shows large swaths of land around Fort McMurray marked out in brown: hectares and hectares of forests and communities burned to the ground.

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The fire covered about 7,500 hectares on Wednesday but by Thursday noon, the seemingly unstoppable blaze had increased to 85,000 hectares, or 850 square kilometres — a parcel of land nearly the size of Calgary.

Fire chief Darby Allen told reporters the inferno “was not showing any forgiveness.”

Evacuees who fled to camps north of Fort McMurray had to turn south to escape the flames early Friday morning. An RCMP-led convoy totalling 1,500 vehicles is heading south on Highway 63 to safety.

The convoy, which began at 6 a.m., will only allow 50 vehicles to pass through Fort McMurray at time.

Though the Fort McMurray fire is by far the largest wildfire in the province, Esri Canada’s active wildfires app also shows other blazes in Alberta, including one south of Clear Hills in the northwestern part of the province.

On Thursday afternoon, B.C. Wildfire Service said the Siphon Creek wildfire, which was stretching provincial resources, crossed into the province, though it is not yet clear how much territory the blaze has covered in Alberta.