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Amid enrichment concerns, UN nuclear head meets with Iranian authorities

IAEA to discuss issues regarding the enrichment of uranium

IRAN-NUCLEAR/DEAL An Iranian flag flutters in front of the International Atomic Energy Agency (IAEA) headquarters in Vienna, Austria | Reuters

The head of the UN nuclear watchdog was meeting with officials in Iran on Saturday, days after it was revealed that the country had enriched particles of uranium to near weapons-grade, raising new alarm over its long-disputed nuclear programme.

Rafael Mariano Grossi, the head of the International Atomic Energy Agency, declined to comment on his discussions during a press conference with the head of Iran's nuclear programme, saying the delegation's work was still ongoing.

“It's an atmosphere of work, of honesty and cooperation," Grossi said. He was expected to speak with reporters again upon his return to Vienna later on Saturday.

Earlier this week, the Vienna-based International Atomic Energy Agency reported that uranium particles enriched up to 83.7 per cent just short of weapons-grade were found in Iran's underground Fordo nuclear site.

The confidential quarterly report by the IAEA, which was distributed to member states on Tuesday, came as tensions were already high amid months of anti-government protests in Iran and Western anger at its export of attack drones to Russian forces fighting in Ukraine.

The IAEA report says that inspectors in January found that two cascades of IR-6 centrifuges at Iran's Fordo facility had been configured in a way substantially different to what had been previously declared. The IAEA took samples the following day, which showed particles with up to 83.7 per cent purity, the report said.

The IAEA report only spoke about particles, suggesting that Iran isn't building a stockpile of uranium enriched above 60 per cent the level it has been enriching at for some time. However, the agency also said in its report that it would further increase the frequency and intensity of agency verification activities at Fordo after the discovery.

Iran has sought to portray any detection of highly enriched uranium particles as a momentary side effect of trying to reach a finished product of 60 per cent purity. However, experts say such a great variance in the purity even at the atomic level would appear suspicious to inspectors.

The chief of Iran's nuclear programme, Mohammad Eslami, acknowledged the findings of the IAEA report at the press conference with Grossi but said it did not amount to 84 per cent enrichment. He said the ambiguity of the findings had been resolved.

Nonproliferation experts say Tehran has no civilian use for uranium enriched to even 60 per cent. A stockpile of material enriched to 90 per cent, the level needed for weapons, could be quickly used to produce an atomic bomb if Iran chooses.

Iran's 2015 nuclear deal with world powers limited Tehran's uranium stockpile and capped enrichment at 3.67 per cent enough to fuel a nuclear power plant.

The US unilaterally withdrew from the accord in 2018, reimposing crushing sanctions on Iran, which then began openly breaching the deal's restrictions. Efforts by the Biden administration, European countries and Iran to negotiate a return to the deal reached an impasse last summer.

Iran long has denied ever seeking nuclear weapons and maintains its programme is peaceful, but is widely believed to have had a nuclear weapons programme until 2003. Grossi's last visit to Iran was in March 2022.

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