The US has carried out a “very successful attack” on three nuclear sites on Iran, President Donald Trump has said.
The strikes, which the US leader announced on social media, reportedly include a hit on the heavily-protected Fordow enrichment plant which is buried deep under a mountain.
The other sites hit were at Natanz and Isfahan. It brings the US into direct involvement in the war between Israel and Iran.
Israeli Prime Minister Benjamin Netanyahu hailed the “bold decision” by Mr Trump, saying it would “change history”.
Iran has repeatedly denied that it is seeking a nuclear weapon and the head of the UN’s nuclear watchdog said in June that it has no proof of a “systematic effort to move into a nuclear weapon”.
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Trump: Iran strikes ‘spectacular success’
Addressing the nation in the hours after the strikes, Mr Trump said that Iran must now make peace or “we will go after” other targets in Iran.
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Commenting on the operation, he said that the three Iranian sites had been “obliterated”.
“There will be either peace or there will be tragedy for Iran far greater than we have witnessed over the last eight days,” he said.
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Benjamin Netanyahu said Donald Trump and the US have acted with strength following strikes on Iran’s nuclear facilities.
In a posting on Truth Social earlier, Mr Trump said, “All planes are safely on their way home” and he congratulated “our great American Warriors”. He added: “Fordow is gone.”
He also threatened further strikes on Iran unless it doesn’t “stop immediately”, adding: “Now is the time for peace.”
It is not yet clear if the UK was directly involved in the attack.
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Among the sites hit was Fordow, a secretive nuclear facility buried around 80 metres below a mountain and one of two key uranium enrichment plants in Iran.
“A full payload of BOMBS was dropped on the primary site, Fordow,” Mr Trump said. “Fordow is gone.”
There had been a lot of discussion in recent days about possible American involvement in the Iran-Israel conflict, and much centred around the US possibly being best placed to destroy Fordow.
Meanwhile, Natanz and Isfahan were the other two sites hit in the US attack.
Natanz is the other major uranium enrichment plant in Iran and was believed to have possibly already suffered extensive damage in Israel’s strikes earlier this week.
Isfahan features a large nuclear technology centre and enriched uranium is also stored there, diplomats say.