Iran allowed IAEA inspectors to visit Bushehr nuclear plants but has not disclosed the status of its enriched uranium stockpile, raising concerns over monitoring and safeguards.

The U.N. nuclear watchdog has been unable to inspect nuclear facilities in Iran affected by the war last June, according to a confidential report by the U.N. nuclear watchdog.

The UN nuclear agency reaffirmed in a confidential report on Thursday that a lack of access to verify nuclear material in Iran posed a “proliferation