May 4, 2016 8:24 am Wildfire Spreads Across Canada's Oil Sands Region A wildfire in Alberta, Canada, forced tens of thousands of residents to flee in what one official said is the largest evacuation in the history of the province. US & World Videos 3:57 Pleasant Sunday despite morning showers 1:00 Three dead in apparent murder-suicide in Lowell 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 2:05 How ‘Love Is Blind' made Vanessa Lachey and Nick Lachey's marriage stronger 10:42 Multiple people arrested as police clear campus encampments