Iran launched an attack on the U.S. Al Udeid Air Base in Qatar on Monday, two days after the U.S. struck three nuclear sites in Iran.Explosions were heard in Qatar, multiple news agencies reported, and photos showed missiles over Qatar's capital city,

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.

The alert from the U.S. Embassy in Doha advising Americans to shelter in place came a day after President Donald Trump launched strikes on three high-profile Iranian nuclear facilities.