Israel and Iran traded threats on Wednesday after the Islamic Republic fired at least 180 missiles at Israel in its biggest attack yet against its arch-enemy, stoking fears of a wider regional conflict. The Israeli military launched new strikes against Hezbollah targets in Beirut's suburbs and deployed additional infantry and armoured units in southern Lebanon, a day after it announced a "limited, localised and targeted" ground operation against the Iran-backed militant group. Follow our live blog for the latest updates on the crisis in the Middle East.