Wildfire destroys homes in Canadian city; 80,000 ordered evacuated

(Reuters) - A wildfire that raged out of control destroyed much of one neighborhood in the remote western Canadian city of Fort McMurray and badly damaged others, the local government said on Wednesday, with all 80,000 residents ordered to leave in the biggest evacuation in the area's history. By early on Wednesday morning, Shell had closed one oil sands mine and was in the process of closing another. Henry said upgraders, which process oil sands to produce crude, would operate for a few more da