The Ukrainian airliner that crashed killing 176 people was likely downed in error by an Iranian missile, Canadian Prime Minister Justin Trudeau said Thursday.

At a news conference, Trudeau confirmed intelligence from various sources led to that conclusion, but only a “full and credible investigation” could definitely confirm it.

“We have intelligence from multiple sources, including our allies and our own intelligence, Trudeau said. “The evidence indicates that the plan was shot down by an Iranian surface-to-air missile. This may well have been unintentional.”

He indicated that conclusion will hit families hard coming soon after the news of the crashed

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