An Israeli military strike on Iran's nuclear complex at Natanz directly hit the underground uranium enrichment plant there, the U.N. nuclear watchdog said on Tuesday, revising its assessment after initially reporting it had been hit only indirectly.

The head of the International Atomic Energy Agency says there is a possibility of both radiological and chemical contamination within Iran’s main nuclear enrichment facility in Natanz.

The Israeli army announced on Thursday that it struck the Iranian nuclear facility in Natanz again, as well as an "inactive nuclear reactor" in Arak during operations this morning, reports Afp. The air force "bombed a nuclear weapons development facility in the Natanz area,