President Trump has indicated that the U.S. was given prior warning of the Iranian strike, and Qatari authorities said the missiles were intercepted.

Iran retaliated Monday for the U.S. attacks on its nuclear sites by targeting Al Udeid Air Base, a sprawling desert facility in Qatar that serves as a main regional military hub for American forces. President Donald Trump said in a social media post that no Americans were harmed and “hardly any damage was done.