FILE - In this Feb. 19, 1982, file photo, a couple embraces outside the Basilica in St. John's, Newfoundland, following a memorial for the 84 men lost when the oil rig Ocean Ranger sank off the Newfoundland coast. The shipwreck was among Canada's deadliest accidents in the last 150 years, killing 84. Police say 50 people are presumed dead following a July 6, 2013, fiery oil train crash in Lac-Megantic, Quebec, making it Canada’s worst railway crash in nearly 150 years. (AP Photo/Jann Van Horne, File)