Foreign ministers from Canada and other countries who lost citizens in the shooting down of a Ukrainian airliner are discussing the tools they might need to use to force Iran to co-operate with them if that becomes necessary.

Those potential levers include legal action in European courts and possible resolutions against Iran at the United Nations Security Council, said a senior Canadian government official, speaking on the condition of anonymity because of the sensitivity of the situation.

Foreign Affairs Minister Francois-Philippe Champagne is hosting the closed-door talks, now underway in London, with his counterparts from four other countries that lost citizens in the crash — Ukraine, Sweden, Afghanistan and Britain.

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