Iran's nuclear facility in Natanz was damaged in an Israeli attack on Friday, the country's atomic energy organisation said in a statement, but investigations have not shown any radioactive or chemical contamination outside the site.
"The attack has damaged several parts of the facility. Investigations are ongoing to assess the extent of damages," the statement said.
International Atomic Energy Agency confirms Israel struck Iran's nuclear enrichment facility at Natanz.
Iranian state media confirmed on Friday the killing of Iran's Revolutionary Guards Commander Hossein Salami in an Israeli strike.
Iranians reacted to Israeli strikes with anger and fear on Friday, with some urging retaliation while others worried the conflict would spell more hardship for a nation worn down by crises.
With Tehran and other cities shaken by a night of Israeli airstrikes, some said they planned to leave for neighbouring Turkey, bracing for escalation after Israel signalled its operation would continue "for as many days as it takes". "I woke up to deafening explosion. People on my street rushed out of their homes in panic, we were all terrified," said Marziyeh, 39, from the city of Natanz, which is home to one of Iran's nuclear sites and where explosions were reported.