Two sisters from Fort McMurray—-were killed in a crash on the weekend south of Fort McMurray.
The car Zara and Bridget Chambers were in—-hit the back of a flat-deck Saturday morning on Highway 63.
The tow truck had been parked on the side of the road—and RCMP say road conditions were bad at the time.
The girls were originally from Rocky Mountain House—and had been heading home for Christmas.
They were triplets—-and their third sister—a student at the University of Calgary