An Israeli official said that "there's never a 100 percent guarantee," but "a nuclear disaster" should "not happen."

Iran’s allies, the self-described “Axis of Resistance,” have been severely hurt by ongoing Israeli attacks since the Oct. 7, 2023, Hamas attack on Israel, particularly Lebanon’s Hezbollah and Hamas in the Gaza Strip. Iran has long used those groups as both an asymmetrical way to attack Israel and as a shield against a direct assault.