At least nine people, including children, were killed in an Iranian airstrike in the Israeli city of Beit Shemesh on Sunday, emergency services say. The conflict in the Middle East has expanded as the U.S. and Israel sustained their assault on Iran following the death of the nation's supreme leader, Ayatollah Ali Khamenei, over the weekend. Iran fired retaliatory missiles at Israel and Arab states Monday and Iranian-backed militia Hezbollah also launched several rockets and drones into Israel. »