Khamenei's flag-covered coffin was carried aloft into the shrine of Imam Reza in his home city of Mashhad in eastern Iran as a sea of people waited outside and listened to prayers, with no sign of a public appearance by his son and successor Mojtaba Khamenei.

Iran prepares for Khamenei's burial amid leadership transition. Mojtaba Khamenei seen in public by July 31 at 5.5% YES.

Huge crowds thronged the streets of Najaf and packed the courtyards of its majestic shrine of Imam Ali where the coffin was brought from Iran before being flown to Karbala.

Burial comes amid renewed attacks between Washington and Tehran

The burial took place as both the US and Iran launched fresh attacks, raising fears the conflict could escalate further.