Ayatollah Ali Khamenei will begin the service at Tehran University, the caskets of the dead draped in Iranian flags with their pictures on them. On the late President Ebrahim Raisi's coffin sat a black turban — signifying his direct descendance from Islam's Prophet Muhammad.

Even before Iran’s army chief Mohammad Bagheri ordered an investigation into the helicopter crash that cost the Islamic Republic the lives of two of its top politicians, blame was being laid at America’s door.

Iran’s supreme leader has presided over a funeral for the country’s late president, foreign minister and others killed in a helicopter crash