Iran begins a period of public mourning for Supreme Leader Ayatollah Khamenei as funeral arrangements proceed under tight security, according to multiple reports. Dignitaries and officials from neighbouring countries arrive to pay respects ahead of the funeral, with ceremonies taking place under heightened control of access and movements. The outlets describe the mourning period as both a domestic and diplomatic event, bringing regional figures to Tehran to attend planned observances. The reporting also emphasizes the security posture surrounding the leader’s commemoration, suggesting authorities aim to prevent disruptions during the public ceremonies. While details of the funeral itinerary are not fully aligned across sources, the core elements are consistent: Iran is transitioning from the circumstances of his death to formal mourning, and international and regional representatives are participating in the pre-funeral tributes. The accounts frame the start of mourning as a significant moment for state protocol and regional engagement, with security measures in place for ceremonies associated with the slain supreme leader.