Smoke from a wildfire rises in the air as cars line up on a road in Fort McMurray, Alberta, Tuesday, May 3, 2016. At least half of a northern Alberta city was ordered evacuated Tuesday as a wildfire ... more 
Smoke from a wildfire rises in the air as cars line up on a road in Fort McMurray, Alberta, Tuesday, May 3, 2016. At least half of a northern Alberta city was ordered evacuated Tuesday as a wildfire whipped by winds engulfed homes and sent ash raining down on residents. (Greg Halinda/The Canadian Press via AP) MANDATORY CREDIT less 
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Associated Press
Tue, May 3, 2016 8:09 PM EDT