The U.N.'s atomic watchdog and other experts say radiological contamination is likely inside a key uranium enrichment site at Natanz that was badly damaged by Israel and then hit by U.S. strikes early Sunday.

The move, the first time the U.S. has attacked Iran, is a major escalation of the conflict between Israel and Iran.

President Donald Trump said Saturday the United States bombed three Iranian nuclear sites, bringing the U.S. directly into Israel’s war with Tehran. “We have completed our very successful attack on the three Nuclear sites in Iran,