Canada has closed its embassy in Iran and will expel all remaining Iranian diplomats in Canada within five days.

Foreign Affairs Minister John Baird  attending a summitt in Russia said this morning  that the decesion is being taken because of recent attacks on foreign diplomats.

Baird said in a statement that the Iranian government was "the most significant threat to global peace and security in the world today."
He cited Iran's nuclear program and Iranian military assistance to Syria.