Firefighters gained control of one wildfire near the main oil-sands region of Alberta on Wednesday, but continued to battle a much larger blaze to the south that’s threatening the area’s biggest city.
The fire just north of Fort McMurray, located close to where massive oil-sands mines produce hundreds of thousands of barrels a day of crude, was downgraded to “being held” at less than a hectare (2.5 acres) in size overnight, leaving just one out