Iran's supreme leader Ayatollah Ali Khamenei has made his first public appearance since the start of Iran's conflict with Israel, according to state media. State television footage showed him greeting worshippers at a mosque on Saturday during a ceremony a day before the Shia festival of Ashura.

Iran's Supreme Leader Ayatollah Ali Khamenei attended a religious event on Saturday, according to a video carried by state television, after reports that he was in a "secure location" since the start of a 12-day air war with Israel in which top Iranian commanders and nuclear scientists were killed.

Iran's supreme leader Ayatollah Ali Khamenei has made his first public appearance since the outbreak of his country's recent 12-day war with Israel, state media reported.