The devastating wildfire that has already forced all 88,000 residents to flee Fort McMurray in Alberta, Canada, exploded tenfold in size on Thursday, cutting off evacuees in camps and shelters north of the city. Firefighters are trying to battle the out-of-control blaze, which has already destroyed homes and is threatening infrastructure. Wildfire Spreads in Fort McMurray https://t.co/WP4HnKjL7T#NASApic.twitter.com/7dUTDAmqRd — NASA Earth (@NASAEarth) May 5, 2016 Officials estimated that 1,600 structures had been damaged or destroyed by Wednesday night. As flames fanned south on Thursday, officials also issued mandatory evacuation orders for the Anzac, Gregoire Lake Estates and Fort McMurray First Nation communities which are located about 50km south of Fort McMurray. Reuters reports: The out-of-control blaze has burned down entire neighborhoods of Fort McMurray in Canada’s energy heartland and forced a precautionary shutdown of some oil production, driving up global oil prices. Three days after the residents were ordered to leave Fort McMurray, firefighters were still battling to protect homes, businesses and other structures from the flames. More than 1,600 structures, including hundreds of homes, have been destroyed. Although the cause of the fire was unknown, officials said tinder-dry brush, low humidity and hot, gusting winds left crews unable to stop [...]