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UN nuclear chief says it's possible Iran's highly enriched uranium 'is there'

Published by Global Banking & Finance Review

Posted on June 25, 2025

4 min read

· Last updated: January 23, 2026

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UN nuclear chief says it's possible Iran's highly enriched uranium 'is there'
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VIENNA (Reuters) -U.N. nuclear watchdog chief Rafael Grossi said on Wednesday his top priority is getting his inspectors back to Iran's nuclear facilities to assess the impact of U.S. and Israeli

UN Nuclear Chief Suggests Iran's Enriched Uranium May Still Exist

By Francois Murphy

VIENNA (Reuters) -There is a chance that much of Iran's highly enriched uranium survived Israeli and U.S. attacks because it may have been moved by Tehran soon after the first strikes, U.N. nuclear watchdog chief Rafael Grossi said on Wednesday.

Israel repeatedly struck Iranian nuclear facilities during its 12-day war with Tehran, and U.S. forces bombed Iran's underground nuclear facilities at the weekend, but the extent of the damage to its stocks of enriched uranium is unclear.

International Atomic Energy Agency chief Grossi said earlier this week that Iran had informed the IAEA on June 13 - the first day of Israeli strikes - that it would take "special measures" to protect its nuclear materials and equipment.

"They did not get into details as to what that meant but clearly that was the implicit meaning of that, so we can imagine that this material is there," Grossi told a press conference on Wednesday with members of the Austrian government.

"So for that, to confirm, for the whole situation, evaluation, we need to return (IAEA inspectors to Iran's nuclear facilities)."

He said ensuring the resumption of IAEA inspections was his top priority as none had taken place since the bombing began although Iran's parliament approved moves on Wednesday to suspend such inspections.

The IAEA needs to determine how much remains of Iran's stock of uranium enriched to up to 60% purity - a level that is close to the roughly 90% of weapons grade.

Uranium enrichment has both civilian and military applications. Iran has always denied seeking nuclear weapons and says its nuclear programme is solely for peaceful purposes.

The IAEA says no other country has enriched to such a high level without producing nuclear weapons, and Western powers say there is no civil justification for it.

'HOURGLASS APPROACH'

The last quarterly IAEA report on May 31 indicated that Iran had, according to an IAEA yardstick, enough uranium enriched to up to 60% purity for nine nuclear weapons if enriched further. It has enough for more bombs at lower enrichment levels such as 20% and 5%, the report showed.

A preliminary U.S. intelligence assessment determined that the U.S. strikes at the weekend set back Tehran's programme by only a matter of months, meaning Iran could restart its nuclear programme in that time, three sources with knowledge of the matter told Reuters on Tuesday.

"This hourglass approach is something I do not like ... It's in the eye of the beholder," Grossi said.

"When you look at the ... reconstruction of the infrastructure, it's not impossible. First, there has been some that survived the attacks, and then this is work that Iran knows how to do. It would take some time."

Iranian Foreign Minister Abbas Araqchi said on Tuesday that Tehran's view on the nuclear programme and the non-proliferation regime would now "witness changes, but it is not possible to say in what direction".

Iran's parliament approved a bill on Wednesday on suspending cooperation with the IAEA and stipulating that any future IAEA inspection would need approval by Iran's Supreme National Security Council. The bill still requires approval by Iran's unelected Guardian Council to become law.

Parliament Speaker Mohammad Baqer Qalibaf was quoted by state media as saying the IAEA "has put its international credibility up for sale" and that Iran would accelerate its civilian nuclear programme.

"This would be, of course, very regrettable," Grossi said of Iran's threat to withdraw from the nuclear Non-Proliferation Treaty (NPT).

"I hope this is not the case. I don't think this would help anybody, starting with Iran. This would lead to isolation and all sorts of problems and, why not, perhaps, if not the unravelling a very, very, very serious erosion in the NPT structure," he said.

(Additional reporting by Dubai newsroom, Editing by Timothy Heritage)

Key Takeaways

  • Iran's enriched uranium may have survived recent attacks.
  • IAEA inspections are crucial to assess the uranium stock.
  • Iran's parliament moves to suspend IAEA inspections.
  • U.S. strikes set back Iran's nuclear program by months.
  • Iran's nuclear program faces international scrutiny.

Frequently Asked Questions

What did the IAEA chief say about Iran's enriched uranium?
IAEA chief Grossi indicated that there is a possibility that much of Iran's highly enriched uranium survived attacks, as it may have been moved by Tehran shortly after the strikes began.
What measures did Iran take during the Israeli strikes?
Iran informed the IAEA that it would take 'special measures' to protect its nuclear materials during the Israeli strikes, although details were not provided.
What is the significance of uranium enriched to 60% purity?
Uranium enriched to 60% purity is close to weapons-grade levels, and the IAEA has stated that no other country has enriched to such a high level without producing nuclear weapons.
What actions did Iran's parliament take regarding IAEA inspections?
Iran's parliament approved a bill to suspend cooperation with the IAEA, requiring future inspections to receive approval from Iran's Supreme National Security Council.
What are the potential consequences of Iran withdrawing from the NPT?
Grossi expressed that Iran's withdrawal from the nuclear Non-Proliferation Treaty would be regrettable and could lead to isolation and various problems for the country.

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