'This is only the beginning': Dramatic cockpit images reveal how dozens of US smart bombs blitzed ISIS strongholds in Syria as Pentagon warns terror group more missiles are on their way

The U.S. and five Arab countries launched a wave of airstrikes (described centre) against ISIS in order to show the terror group that its attacks would not go unanswered, officials said today. American air power
(left) was backed by 'participation or support' from Saudi Arabia, Bahrain, Qatar, Jordan and the UAE - a coalition of nations that has agreed to assist with the destruction of ISIS - with Britain not involved in the overnight strikes. There was also a separate U.S. attack (debris from which is pictured right) on another Islamist militant group in Syria - the Al Qaeda-affiliated Khorasan - who were said to be planning an 'imminent attack' on a Western target.