Joe Biden has said the US would not back an Israeli retaliatory strike against Iran's nuclear facilities, after Tehran launched a massive ballistic missile attack in response to the assassinations of the Hezbollah leader, Hassan Nasrallah, and Hamas's chief, Ismail Haniyeh. Biden said: 'We'll be discussing with the Israelis what they're going to do, but all seven of us agree that they have a right to respond'
Israeli strikes kill six in central Beirut as blasts heard across Lebanon’s capital
Middle East crisis live
