Iran's Barring of Inspectors Is Serious Blow to IAEA's Work, Grossi Says 

FILE - The Iranian and other flags flutter in front of the International Atomic Energy Agency (IAEA) organization's headquarters in Vienna, Austria, June 5, 2023. Director-General of the International Atomic Energy Agency (IAEA) Rafael Grossi holds a press conference in Vienna, Austria, Nov. 22, 2023.

Iran's barring of some of the U.N. nuclear watchdog's most experienced and expert inspectors from the team allowed to operate there is a "very serious blow" to the agency's work, the watchdog's chief Rafael Grossi said on Wednesday.