Iran's Supreme Leader Ayatollah Ali Khamenei was killed in a blistering attack on the Islamic Republic by Israel and the United States. His death throws the country's future into doubt and raises the risk of further instability in the Middle East. Iranian state television and the state-run IRNA news agency announced the 86-year-old's death early on Sunday. US President Donald Trump had announced his death hours earlier. He said it gave Iranians their "greatest chance" to “take back” their country. The announcements came after a joint US and Israeli aerial bombardment targeted Iranian military and government sites. Mr Trump said...