Mojtaba Khamenei, the son of Iran's Ayatollah Ali Khamenei who was killed in US-Israeli strikes, has been chosen as his successor. He has never held government office, nor given public speeches or interviews, and only a limited number of photos and videos of him have ever been published. But for years there have been rumours that he held considerable influence behind the scenes in Iran. Tap the link in BBCNews's bio to find out more about the new supreme leader. #MojtabaKhamenei #Iran #BBCNews