UK’s Cooper warns of an AI ‘Hiroshima’ and calls for global rules

https://media.thenextweb.com/2026/07/Yvette_Cooper.avif

Britain’s foreign secretary has a stark analogy for artificial intelligence. Do not wait for its Hiroshima moment before writing the rules.

Yvette Cooper will warn that AI could become the “greatest security challenge of the next decade,” according to Bloomberg. She sets it out in an essay for the Chatham House think tank, published on Monday. Governments, she argues, must agree international guardrails before the technology outpaces them.

She spelled out her thinking in an interview with the Guardian too.

The Hiroshima parallel

Cooper reaches for the nuclear age to make her point. “On nuclear, international agreement came only after the world saw the terrifying power of the new technology at Hiroshima,” she writes. “We cannot afford to wait for an AI equivalent of Hiroshima before we act.” The message is simple. Rules should come before catastrophe, not after it.

She wants the big powers at the table, the...

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