Iran's longest-serving Supreme Leader Ayatollah Ali Khamenei was flown back to Iran from Iraq on Thursday, with his coffin escorted by a fighter jet, according to Reuters footage.

Ayatollah Ali Khamenei’s body arrives in Qom as millions of mourners honour his leadership over past three days.

The funeral ceremonies will continue in Qom before moving to the Iraqi holy cities of Najaf and Karbala.

The coffin of Iran's slain Supreme Leader Ayatollah Ali Khamenei arrived in Iraq's holy city of Najaf on Tuesday after funeral ceremonies in Iran, bringing a multi-day…