The head of the United Nations' Atomic Energy Agency said President Donald Trump's strike against Iran's nuclear program caused "enormous damage" to the country's progress on Thursday. Questions about the effectiveness of Saturday's attack had simmered throughout the week.

President Trump said Iran didn't move stores of highly enriched uranium out of Iranian nuclear sites before they were hit by American bombers. "The cars and small trucks at the site were those of concrete workers trying to cover up the top of the shafts.

Trump says CNN, NYT may fire reporters over Iran stories he calls false; no outlets have confirmed any dismissals so far. Follow Newsweek's live blog.