The funeral of Iran’s Supreme Leader Ayatollah Ali Khamenei has raised concerns over potential crowd control and security challenges, reflecting memories of past large gatherings that turned chaotic. Historical precedent underscores these worries, particularly the funeral of Ayatollah Ruhollah Khomeini in June 1989, when millions of mourners flooded Tehran’s streets. The massive crowd surge during the event led to the elderly leader’s body being toppled into the throng, resulting in at least eight fatalities and around 11,000 injuries, according to initial reports.

Similar fears have emerged in light of other recent large-scale funerals, notably that of the late Islamic Revolutionary Guard Corps General Qassem Soleimani in 2020. That event culminated in a deadly stampede, triggered by a sudden crush of mourners, leaving at least 56 dead and more than 2,000 injured. These incidents have heightened concerns among Iranian authorities and security planners about managing crowds that could potentially number in the millions during Khamenei’s funeral.

The elaborate funeral rites take place amid significant geopolitical tensions. A recent interim agreement aimed at concluding the ongoing conflict involving Iran is facing significant obstacles. The ceasefire deal, brokered in June, set a 60-day deadline to finalize negotiations on sensitive issues including Iran’s nuclear program and the strategic status of the Strait of Hormuz—a critical global shipping route.

Technical discussions resumed this week in Doha, Qatar, but progress has been hindered by persistent disagreements between the United States and Iran. These differences have erupted into several days of military exchanges over control and security in the Strait of Hormuz, complicating efforts to reach a comprehensive resolution. The competing positions on the strait’s future remain a central sticking point in the broader diplomatic dialogue.

As Iran prepares to marshal millions of mourners for the funeral of its long-standing Supreme Leader, authorities remain vigilant against overcrowding and unrest. The convergence of a national mourning event with a fragile diplomatic process underscores the complex challenges facing Iran at this pivotal moment.