Iran will have the capacity to begin enriching uranium again in “a matter of months”, the UN’s nuclear watchdog boss has said.
Rafael Grossi, who heads the International Atomic Energy Agency (IAEA), said that US strikes on three sites a week ago had caused “severe damage” but it was not “total”.
Mr Grossi told CBS News: “The capacities they have are there. They can have, you know, in a matter of months, I would say, a few cascades of centrifuges spinning and producing enriched uranium, or less than that.
“But as I said, frankly speaking, one cannot claim that everything has disappeared and there is nothing there.”
Iran still has “industrial and technological capabilities… so if they so wish, they will be able to start doing this again”, he added.
Iranian nuclear and military sites were attacked by Israel on 13 June, with the Israelis claiming Tehran was close to developing a nuclear weapon.
The US then carried out its own strikes on 22 June, hitting Iranian nuclear installations at Fordow, Natanz and Isfahan, under Operation Midnight Hammer.
Iran has insisted its nuclear research is for civilian energy production purposes.
US President Donald Trump said last weekend that the US deployment of 30,000lb “bunker-busting” bombs had “obliterated” Iran’s nuclear programme.
But that claim appeared to be contradicted by an initial assessment from the US Defence Intelligence Agency.
A source said Iran’s enriched uranium stocks had not been eliminated, and the country’s nuclear programme, much of which is buried deep underground, may have been put back only a month or two.
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Mr Trump has rejected any suggestion that the damage to the sites was not as profound as he has said.
And he stated he would consider bombing Iran again if Tehran was enriching uranium to worrying levels.
At a news conference on Thursday alongside US defence secretary Pete Hegseth, the chairman of the joint chiefs of staff General Dan Caine, told reporters the GBU-57 bunker buster bombs had been designed in some secrecy with exactly this sort of target in mind.
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The head of the CIA has also said a “body of credible intelligence” indicates Iran’s nuclear programme was “severely damaged”.
Director John Ratcliffe revealed that information from a “historically reliable and accurate source” suggests several key sites were destroyed – and will take years to rebuild.
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Meanwhile, Iran’s supreme leader Ayatollah Ali Khamenei said his country “slapped America in the face” by launching an attack on 23 June against a major US base in Qatar, adding the nation would never surrender.
The 12-day air conflict between Israel and Iran ended with a US-brokered ceasefire.
But the Iranian armed forces chief of staff, General Abdolrahim Mousavi, has said his country doubts Israel will maintain the truce.
A spokesman for Iran’s foreign ministry said the US strikes had caused significant damage to Tehran’s nuclear facilities.
