Crowds thronged the streets of Najaf as the coffin of Iran's supreme leader Ali Khamenei moved through the holy city in a procession devoted to Iraq, home to Shia Islam's most sacred shrines.

Thousands joined funeral processions for Ayatollah Ali Khamenei in the Iraqi holy city of Najaf. The ceremonies are unfolding amid renewed US-Iran strikes, deepening fears of a wider regional crisis.