- 28,086 viewsDuration: 2:27Iranians took to the streets of Tehran on Sunday, mourning the death of Supreme Leader Ali Khamenei, who was killed in U.S.-Israeli airstrikes. 86-year-old Khamenei was killed on Saturday in air strikes by Israel and the U.S after decades of efforts to diplomatically resolve the dispute over Iran's nuclear program failed. Iran has called the strikes unprovoked and illegal and responded with missiles fired at Israel and at least seven other countries, including Gulf states that host U.S. bases