Entrances to tunnels used to store part of Iran's enriched uranium stockpile at the sprawling Isfahan nuclear complex were hit in U.S. military strikes overnight, the U.N. nuclear watchdog said on Sunday.

IAEA says it has not detected any increase in radiation levels at key nuclear sites in Iran following US air strikes.

In a major military escalation, US forces have launched precision airstrikes on three of Iran’s key nuclear facilities—Fordow, Natanz, and Isfahan. The strikes follow Israel's Operation Rising Lion and mark a significant blow to Iran’s nuclear infrastructure.