Students from Fort McMurray Composite High School are released early as wildfire burns nearby in Fort McMurray, Alberta May 3, 2016. An uncontrolled wildfire burning near Fort McMurray in northern Alberta, the heart of Canada’s oil sands region, has forced the evacuation of nearly all the city’s 80,000 residents, local authorities said on May 3, 2016. Courtesy Kangeun Lee/Handout via REUTERS. TPX IMAGES OF THE DAY. ATTENTION EDITORS – THIS IMAGE WAS PROVIDED BY A THIRD PARTY. EDITORIAL USE ONLY. NO RESALES. NO ARCHIVE – RTX2CPRY