OCCUPIED JERUSALEM — Iran launched around 180 missiles at Israel on Tuesday in response to the killings of Tehran-backed militant leaders, prompting alarm across the region and vows of retaliation.Most of the missiles were intercepted by Israeli air defences or by allied air forces before they reached Israel."Missiles were launched from Iran towards the State of Israel," the Israeli military said in a statement, as sirens sounded nationwide, announcing after about an hour that the attack was over with a "large number" of missiles intercepted.