DUBAI, June 15 -- UN nuclear chief Rafael Grossi told an emergency meeting of the UN Security Council that Israeli strikes destroyed the above-ground section of Iran's main nuclear facility at Natanz. He said all the electrical infrastructure and emergency power generators were destroyed as well as a section of the facility where uranium was enriched up to 60%. The main centrifuge facility underground did not appear to have been hit, but the loss of power could have damaged the infrastructure there, he said. The UN atomic watchdog also said that there's no indication of increased radiation levels at Iran's main uranium-enrichment site. Iranian authorities told the IAEA they haven't observed higher radiation doses at the Natanz facility, located about 300 kilometres south of Tehran. No radiological or chemical contamination has spread beyond the site, according to an IAEA statement. "Radiation levels outside the Natanz facility remained unchanged," Grossi wrote on X. "The type of radioactive contamination present inside the facility, mainly alpha particles, can be managed with appropriate protective measures." Israel hasn't carried out raids against Iran's Bushehr nuclear power plant on the shore of the Persian Gulf, the authorities said....