Iran declines to disclose cause of fire at Natanz nuclear site

Move comes as Iran’s civil defence chief threatens to retaliate if proof of a foreign cyberattack is found.

A view of a damaged building after a fire broke out at Iran's Natanz Nuclear Facility in Isfahan [WANA via Reuters]
A view of a damaged building after a fire broke out at Iran's Natanz Nuclear Facility in Isfahan [WANA via Reuters]

Iranian investigators have determined the cause of a fire at the Natanz nuclear plant, a spokesman for Iran’s top security body said on Friday, while declining to immediately release details of the findings over “security reasons”.

The National Security Council’s statement came as Gholamreza Jalali, the head of Iran’s civilian defence, told state television that Tehran would retaliate against any country that carries out cyberattacks on its nuclear sites.

Reuters News Agency, citing three Iranian officials, said the fire at Natanz, which occurred early on Thursday, was caused by cyber sabotage.

But Reuters said the officials did not offer evidence to back the claim. 

The Natanz uranium-enrichment site, much of which is underground, is one of several Iranian facilities monitored by inspectors of the International Atomic Energy Agency (IAEA), the United Nations nuclear watchdog.

Iran’s Atomic Energy Organisation initially reported an “incident” had occurred early on Thursday at Natanz, located in the desert in the central province of Isfahan. It later published a photo of a one-storey brick building with its roof and walls partly burned.

A door hanging off its hinges suggested there had been an explosion inside the building.

The IAEA said none of its inspectors was at Natanz at the time of the fire and “that the location where the incident occurred does not contain nuclear materials”.

‘Cheetah’s of Homeland’

Keyvan Khosravi, spokesman for the National Security Council, told IRNA news agency late on Friday that experts have “determined the main cause of the incident” but it “will be declared in due course for security reasons”. 

The mystery around the incident deepened after BBC reported that an unknown group called the “Cheetah’s of the Homeland” claimed responsibility for the attack in a statement sent to the network’s Persian service journalists before news of the fire became public.

A video claimed the group included “soldiers from the heart of regime’s security organisations” who wanted to stop Iran from acquiring a nuclear weapon. Iran long has maintained its atomic programme is for peaceful purposes.

At the same time, Iranian media has cast suspicion on the US and Israel for the incident. 

In an article issued on Thursday, IRNA addressed what it called the possibility of sabotage although it stopped short of accusing either US or Israel directly.

“So far, Iran has tried to prevent intensifying crises and the formation of unpredictable conditions and situations,” IRNA said. “But the crossing of red lines of the Islamic Republic of Iran by hostile countries, especially the Zionist regime and the US, means that strategy … should be revised.”

In 2010, the Stuxnet computer virus, which is widely believed to have been developed by the US and Israel, was discovered after it was used to attack the Natanz facility.

Later on Thursday, Jalali told state TV that “if it is proven that our country has been targeted by a cyberattack, we will respond”.

Natanz is the centrepiece of Iran’s enrichment programme, which Tehran says is only for peaceful purposes. Western intelligence agencies and the IAEA believe it had a coordinated, clandestine nuclear arms programme that it halted in 2003.

Tehran denies ever seeking nuclear weapons.

Iran triggers nuclear deal dispute mechanism

Iran curbed its nuclear work in exchange for the removal of most global sanctions under an accord reached with six world powers in 2015, but has reduced compliance with the deal’s restrictions since US President Donald Trump withdrew in 2018.

The IAEA has also issued two reports this year rebuking Iran for failing to answer questions about nuclear activities before its 2015 deal at three sites and for denying it access to two of them.

According to Reuters, the United Kingdom, France and Germany put forward a draft resolution at the IAEA on June 10 calling on Iran to provide access to the locations specified.

The three European countries consider the nuclear deal to be a cornerstone of regional and global security and have struggled to keep it alive since the US move. They have set up a parallel system to try to keep funds flowing into Iran as its economy flagged.

Separately on Friday, IRNA reported that Iranian Foreign Minister Mohammad Javad Zarif triggered a dispute resolution mechanism in the 2015 accord, blaming the move on Germany, France and the UK’s “non-compliance” to their side of the deal as well as a European push to rebuke Iran at the IAEA over its refusal to give access to inspectors at its nuclear sites.

The dispute mechanism provides for a period of about one month, which can be prolonged if all parties agree, to resolve any disagreement.

Failure to come to an agreement could result in the snapback of UN sanctions against Iran.

On January 15, the Europeans triggered the accord’s dispute resolution mechanism themselves to force Iran into discussions on possible violations of the deal, as Tehran appeared to backslide and refused to be bound by its uranium enrichment limits.

They later suspended the action.

Source : Al Jazeera, News Agencies

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