LAC-MEGANTIC, Quebec (AP) - Canadian authorities have opened a criminal investigation into a deadly oil train derailment that killed at least 15 people over the weekend.
PHOTOS: Devastation at Lac Megantic
Quebec police inspector Michel Forget told a news briefing Tuesday that investigators have "discovered elements" that have led to a criminal probe.
Forget did not give details, but he ruled out terrorism.
Officials say 50 people are still missing from Saturday's disaster, including those dead.
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