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The Guardian - UK
The Guardian - UK
Comment
Simon Tisdall

Iran didn’t have a nuclear weapon before this war. But you can see why it would develop one now

A billboard of nuclear scientists at work in Tehran,  August 2025.
A billboard of nuclear scientists at work in Tehran, August 2025. Photograph: AFP/Getty Images

With every bomb dropped, ship seized and blood-curdling threat of annihilation, Donald Trump increases Iran’s incentive to reject his “grand bargain” peace deal and sprint instead to acquire nuclear weapons for future self-defence. Justifying his declaration of war on 28 February, Trump claimed that Iran – and primarily its nuclear programme – posed an “imminent threat”. But Iran does not possess nukes. The US and Israel do.

US intelligence chiefs and UN inspectors agree there’s no firm evidence that the regime, while developing its technical capabilities and keeping political options open, has built, or ever tried to build, a nuclear weapon since at least 2003, when a covert scheme was exposed. But after Trump’s second unprovoked attack in a year, and his vow to bomb Iranian civilisation back to the “stone ages”, that is very likely to change.

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