Tehran, March 2 -- Iran's Foreign Minister Seyed Abbas Araghchi has formally written to United Nations Secretary-General Antonio Guterres and members of the UN Security Council over what Tehran calls the "assassination" of Supreme Leader Ayatollah Ali Khamenei in a devastating joint military operation by the United States and Israel, Tasnim News reported.

Iran's state broadcasters and the official Islamic Republic News Agency (IRNA) confirmed on Sunday that Ayatollah Khamenei, who had led the Islamic Republic since 1989, was killed when coordinated air and missile strikes, dubbed "Operation Epic Fury" by the US and "Roaring Lion" by Israeli forces, struck his secure compound in Tehran on February 28, amid escalating regional hostilities....