President Donald Trump has insisted that US bombing of Iranian nuclear plants "completely destroyed" the sites after a report said some had largely survived.
On his Truth Social platform, Mr Trump reaffirmed his frequent claim that "all three nuclear sites in Iran were completely destroyed and/or obliterated".
He said it would "take years to bring them back into service and, if Iran wanted to do so, they would be much better off starting anew, in three different locations".
US bombs and missiles targeted Iran's nuclear programme on June 22, hitting the uranium enrichment plant at Fordow, south of Tehran, as well as sites in Isfahan and Natanz.
The attacks, carried out at the same time as an Israeli campaign against Iranian nuclear and military infrastructure, were billed by Washington as a knockout blow to Tehran's years-long covert effort to build nuclear weapons.
Iran insists it has not tried to weaponise its civilian nuclear power programme.
Despite Mr Trump's claims of total success, several US media outlets have reported leaked intelligence suggesting a hazier picture.
The latest to cast doubt was an NBC News report on Friday, quoting a military damage assessment that said only one of the three sites had been destroyed, and even then not in its entirety.
Two other sites were deemed to be repairable and potentially able to resume uranium enrichment within "the next several months", NBC reported, citing five current and former US officials aware of the analysis.
NBC also reported that the Pentagon had prepared an option to inflict far greater damage on Iran's atomic set-up through a bombing campaign lasting for weeks – not the one-night operation chosen by Mr Trump.
The report, citing one current and one former official, said the US President had rejected the more comprehensive attack plan due to fears of casualties and entanglement in the conflict.
Our legal columnist
Name: Yousef Al Bahar
Advocate at Al Bahar & Associate Advocates and Legal Consultants, established in 1994
Education: Mr Al Bahar was born in 1979 and graduated in 2008 from the Judicial Institute. He took after his father, who was one of the first Emirati lawyers
Killing of Qassem Suleimani
How Voiss turns words to speech
The device has a screen reader or software that monitors what happens on the screen
The screen reader sends the text to the speech synthesiser
This converts to audio whatever it receives from screen reader, so the person can hear what is happening on the screen
A VOISS computer costs between $200 and $250 depending on memory card capacity that ranges from 32GB to 128GB
The speech synthesisers VOISS develops are free
Subsequent computer versions will include improvements such as wireless keyboards
Arabic voice in affordable talking computer to be added next year to English, Portuguese, and Spanish synthesiser
Partnerships planned during Expo 2020 Dubai to add more languages
At least 2.2 billion people globally have a vision impairment or blindness
More than 90 per cent live in developing countries
The Long-term aim of VOISS to reach the technology to people in poor countries with workshops that teach them to build their own device
Sarfira
Director: Sudha Kongara Prasad
Starring: Akshay Kumar, Radhika Madan, Paresh Rawal
Rating: 2/5
Our legal consultant
Name: Dr Hassan Mohsen Elhais
Position: legal consultant with Al Rowaad Advocates and Legal Consultants.
How Islam's view of posthumous transplant surgery changed
Transplants from the deceased have been carried out in hospitals across the globe for decades, but in some countries in the Middle East, including the UAE, the practise was banned until relatively recently.
Opinion has been divided as to whether organ donations from a deceased person is permissible in Islam.
The body is viewed as sacred, during and after death, thus prohibiting cremation and tattoos.
One school of thought viewed the removal of organs after death as equally impermissible.
That view has largely changed, and among scholars and indeed many in society, to be seen as permissible to save another life.