No elevated radiation levels detected yet

Iran enriches uranium at two key sites, Natanz and Fordo. President Donald Trump said US forces struck both sites, along with a third site, Isfahan, early Sunday, and Iran confirmed the strikes.

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The UN's nuclear watchdog, the International Atomic Energy Agency, said in a statement after the strikes that it “can confirm that no increase in off-site radiation levels has been reported as of this time”.

The agency said it will “provide further assessments on (the) situation in Iran as more information becomes available”.

Risk from uranium is minimal

Even if radiation did leak from one of the sites, experts said, the amount would be unlikely to pose a risk to people near the facilities or in the wider region.