Israel and Iran launched fresh attacks on each other overnight into Sunday, stoking fears of a wider conflict after Israel expanded its surprise campaign against its main rival with a strike on the world's biggest gas field.

Iran launched multiple deadly waves of missiles and drones toward Israel into Saturday morning following Israel’s unprecedented strikes aimed at destroying Iran’s nuclear program and decapitating its military leadership.

Iranians and Israelis woke to smoke and rubble on Sunday after the arch-rivals expanded their attacks overnight, with Israel striking Tehran's defence ministry, and Iran unleashing a deadly barrage of missiles.