Iran said it would retaliate and tonight it did - launching missiles at US bases in Qatar - with air raid sirens also sounding in Bahrain - home to the US Fifth Fleet. The main US base in northeast Syria is also on full alert. Airspace over much of the region remains closed. (Subscribe: https://bit.ly/C4_News_Subscribe) The Al Udeid Air Base is the biggest US military facility in the region. It's a key air and logistics hub - with around 10,000 American troops stationed there. Iranian state media said the Al Asad Airbase in Iraq was also targeted - but there have been no reports of any explosions there. All this after Israel gave details of its latest strikes on Iranian government sites in Tehran.