Millions of people gathered in Tehran on Sunday for the state funeral of Iran's supreme leader, Ali Khamenei [1].

The massive turnout reflects the profound instability and regional tension following the death of the supreme leader, who was killed in a reported U.S.-Israeli strike [2].

Ceremonies began July 4 and are continuing at Tehran’s Grand Mosalla [3]. The event is structured as a six-day state funeral [4]. Crowds attending the ceremonies are expected to number in the millions [1].

A funeral procession is scheduled for Monday, July 6 [3]. Following the events in the capital, the body will be transported to Mashhad, the hometown of the late leader, for final rites [3]. The burial is slated for Thursday, July 9 [2].

State officials have organized the multi-day event to allow maximum public participation in the capital's Grand Mosque [3]. The scale of the gathering underscores the central role Khamenei held in the Iranian state, and the potential for widespread unrest or retaliation following his death [1, 3].

Security remains high in Tehran as the city prepares for the Monday procession. The transition of power and the response to the strike that killed the supreme leader remain the primary focus of international observers [2].

The event is structured as a six-day state funeral

The death of Ali Khamenei creates a critical power vacuum in Iran. By organizing a prolonged, six-day state funeral, the Iranian government is attempting to project unity and strength while managing the internal transition of leadership. The reported involvement of the US and Israel in the strike that killed the leader significantly increases the risk of direct military escalation in the Middle East.