Iran has begun elaborate state funeral ceremonies for late Supreme Leader Ayatollah Ali Khamenei, with a multi-day farewell planned across Tehran, Qom and Mashhad as the country prepares to bid farewell to one of the most influential figures in its modern history. The funeral proceedings began with an unannounced state ceremony during which Khamenei's coffin was brought back to the site where he was killed. Iranian authorities have announced a five-day programme of public mourning and official ceremonies, with thousands expected to participate in processions across multiple cities. The funeral has drawn unprecedented international attention. According to Iranian officials, representatives from nearly 100 countries, including heads of state, senior ministers and special envoys, are expected to attend the ceremonies. WATCH