War on Iran: Countries urge restraint and call for immediate ceasefire

There has been a chorus of condemnation over the escalation of tensions in the Middle East. China's top diplomat slammed the killing of Supreme Leader Ayatollah Ali Khamenei and incitement of regime change as "unacceptable". Wang Yi called for the immediate cessation of military action and return to dialogue. Russian President Vladimir Putin expressed his condolences over Khamenei's death, calling it a violation of human morality and international law. Nick Harper reports from Washington DC.