IAEA warns Iran's unverified nuclear program raises serious proliferation concerns

The UN nuclear watchdog said it has been unable to carry out major safeguards monitoring in Iran since access to multiple nuclear sites was lost after US and Israeli strikes in June 2025, leaving it unable to verify the current status of enriched uranium and related enrichment activities. The IAEA warned it has lost continuity of knowledge for previously declared nuclear material and cannot provide information on the size, composition, or whereabouts of Iran’s enriched uranium stockpile, urging Tehran to cooperate “with the utmost urgency.” Inspectors have visited only the Bushehr power plant since a February report, and the reactor there is running on low-enriched uranium enriched to about 4.5% for power generation. The watchdog reiterated its safeguards responsibilities under the Nuclear Non-Proliferation Treaty cannot be suspended, warning the prolonged lack of verification raises serious proliferation concerns and is expected to be discussed at the IAEA Board of Governors meeting. Separately, US-Iran negotiations remain in dispute: President Donald Trump said talks are going “very well” and Iran agreed to allow American personnel to enter Iran to recover buried nuclear material once the war ends, while Foreign Minister Abbas Araghchi said there is “no tangible progress.” The deteriorating regional environment continues alongside diplomacy, including renewed warnings over possible attacks on Beirut and reports of an Iran-linked drone strike that damaged Kuwait’s main airport terminal and disrupted the airfield.
The IAEA report (via AP coverage) says Iran maintains an estimated “972 pounds” of uranium enriched up to 60% purity—described as a short technical step from weapons-grade levels of 90%. IAEA Director General Rafael Grossi warned the stockpile could allow Iran to build “as many as 10 nuclear bombs” if it chose to weaponize, while stressing it does not mean Iran has a weapon.
The IAEA previously estimated that before the June 2025 attacks, Iran possessed about “roughly 440 kilograms” of uranium enriched to 60%—far above the 3.67% enrichment cap under the (now-defunct) 2015 nuclear agreement and technically close to 90% enrichment typically associated with weapons-grade material.
The watchdog emphasized that under standard safeguards procedures, highly enriched uranium stockpiles should “normally be verified every month”—highlighting the significance of months-long verification gaps after the June 2025 strikes.
Separately on diplomacy, Trump told reporters the US-Iran ceasefire that began in early April “remains in place,” and said an interim deal could be reached “over the weekend” as negotiations advance.
The Times of India report also says Iran’s state media claimed Iranian naval forces targeted the “command center” on a US destroyer in the Gulf of Oman in response to US actions in the Strait of Hormuz—an assertion the US Central Command denied minutes later on X.
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