Backed by Western nations, first such resolution in two decades calls on Tehran to assure UN watchdog about ‘the non-diversion of nuclear material’; Iranian allies China and Russia expected to veto measure
By Agencies and ToI Staff10 September 2026, 3:06 am
A national flag of Iran waves in front of the building of the International Atomic Energy Agency, IAEA, in Vienna, Austria, December 17, 2021. (AP Photo/Michael Gruber, File)
The UN atomic watchdog’s board on Wednesday reported Iran to the UN Security Council for the first time in 20 years, citing it for failure to cooperate in a long-running investigation into uranium traces detected by inspectors at undeclared sites.
Western officials suspect that the traces could provide evidence that Iran had a secret nuclear weapons program until 2003. Iran says that it’s not pursuing nuclear weapons, and that its program is entirely peaceful.
Reporting Iran to the Security Council opens the country to possible sanctions and asset freezes, though such punitive measures are unlikely because Iran’s allies Russia and China hold veto power on the panel.Promoted: Sheba saved Shon’s lifeKeep Watching
Twenty-three countries on the International Atomic Energy Agency ’s 35-member board of governors voted for Wednesday’s resolution at IAEA headquarters in Vienna.
China, Russia and Niger opposed it, while eight countries abstained and one didn’t vote as it was in arrears, according to diplomats who spoke on condition of anonymity to describe the outcome of the closed-door vote.
The resolution was put forward by the United States, Britain, France and Germany.
The diplomatic move has been under consideration since June 2025, when the IAEA board found Iran officially in noncompliance with its nonproliferation obligations because of Tehran’s lack of cooperation in the investigation.
Iran’s ambassador to the UN in Vienna, Reza Najafi, rejected the resolution, describing it as a “political tool” and saying that it ruined confidence in the IAEA’s “independence, impartiality and credibility.”
He suggested that compliance with any obligation to allow UN inspections of nuclear sites inside Iran was, in any case, impossible at the moment because of the country’s continuing war with the US and Israel.
The US this week destroyed five Iranian oil tankers and Tehran hit back at American targets in Jordan, the latest burst of back-and-forth strikes that have lurched the sides back toward open hostilities in a more than 6-month-old war.
The draft resolution requested IAEA Director General Rafael Grossi to report the agency’s concerns “to the Security Council and the General Assembly of the United Nations, in accordance with the relevant provisions of the IAEA Statute.”
The resolution also reiterated its call upon Iran “to urgently remedy its non-compliance” with previous agreements and to take steps deemed necessary by the IAEA to assure “the non-diversion of nuclear material.”
Since Israel and the US struck Iran’s nuclear sites during the 12-day war in June 2025, Iran hasn’t given IAEA inspectors access to nuclear sites that were affected by the strikes. The IAEA also has been unable to verify the status of Iran’s stockpile of near weapons-grade uranium since the June bombing.
Najafi said that airstrikes by the US and Israel made safe access for inspectors to Iran’s nuclear sites “materially impossible.” He said that Iran has “neither stopped nor suspended its safeguards obligations,” adding that “performance is currently impossible under continuing military operations and persistent threats.”
Iran’s Deputy Foreign Minister Kazem Gharibabadi echoed that sentiment in an post on X.
“They attack Iran’s safeguarded nuclear facilities, disrupt the normal verification process, and then use that very disruption as a pretext to pass a resolution at the IAEA Board of Governors,” he said.
According to the IAEA, Iran maintains a stockpile of 440.9 kilograms (972 pounds) of uranium enriched up to 60% purity — a short, technical step away from weapons-grade levels of 90%.
That stockpile could allow Iran to build as many as 10 nuclear bombs, should it decide to weaponize its program, IAEA chief Grossi warned in an interview last year with the AP. He said that it doesn’t mean that Iran has such a weapon.
‘Clear surge’ in activity at suspected underground nuclear site
The IAEA board’s referral of Iran to the UN Security Council came as an American think tank warned that the Islamic Republic has greatly stepped up its activity this year at an underground site in Natanz known as Pickaxe Mountain, which Western intelligence has flagged as a likely site meant to store nuclear material.
The Center for Strategic and International studies said in a statement that an analysis of six years of multisource imagery “reveals a clear three-phase activity signature across the five key points of interest and the roads connecting them, indicating a site that has shifted from active excavation toward probable internal construction and continued exterior reinforcement.”
“Together, these images reveal more road activity at Pickaxe Mountain in 2026 than at any point in the site’s history. There is a clear surge in construction activity in 2026 that corresponds to the raising and hardening of the portal accesses, paving of the internal road network, reinforcement around access areas, and the flattening and removal of excavation spoil,” it said.
However, the statement stressed that “this assessment can neither refute nor substantiate the Israeli intelligence claim that Iran moved centrifuges into Pickaxe Mountain.”
“The continuous construction, the absence of an increased internal security posture, and the lack of observed nonconstruction vehicles and equipment suggest the underground facility is not yet capable of enrichment work, if that is the intended purpose. Further analysis of daily activity would be needed to establish the site’s pattern of life beyond its current construction footprint.”
CNN meanwhile reported that there were signs the United States was trying to develop a means of striking the deeply buried site despite serious challenges that currently make it virtually untouchable. The report cited a Pentagon document about a “live-fire test designed to validate classified capabilities against rapidly emerging threats” that three sources said was linked to the potential bombing of deep underground facilities.
US President Donald Trump has threatened for months to strike Pickaxe and again threatened to do so on Wednesday. Israel reportedly believes that after the June 2025 war, Iran managed to transfer some of highly enriched uranium and centrifuges to Pickaxe.
“We notice there’s a little activity at Pickaxe. I would advise Iran not to get cute because we will have to hit them very hard,” Trump said in a speech at the midterm Republican convention.
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