UN chief calls New START expiration 'grave moment'

February 4, 2026 7:04 PM EST

FILE PHOTO: United Nations Secretary-General Antonio Guterres speaks during a press conference outlining his priorities for 2026 at U.N. headquarters in New York City, U.S., January 29, 2026. REUTERS/Eduardo Munoz/File Photo

Feb 4 (Reuters) - United Nations ⁠Secretary-General Antonio ⁠Guterres on ‍Wednesday called the expiration of the New START Treaty a grave moment for international peace and security and ‍urged Russia and the United States to negotiate a ​new nuclear arms control framework without delay.

New START, which was due to run ​out at midnight on Wednesday, capped the number of strategic nuclear warheads that the United States and Russia can deploy, and the deployment of land- ​and submarine-based missiles and bombers to deliver them.

"For the first time in more than half a century, we face a ​world without any binding limits on the strategic nuclear arsenals of the Russian Federation and ‌the United States of America – the two States that possess the overwhelming majority of the global stockpile of ​nuclear weapons," Guterres said in a ⁠statement.

He said the dissolution of decades of achievement in arms control "could not come at a worse time – ‌the risk of a nuclear weapon being used is the highest in decades."

At the same time, Guterres said there was now an opportunity "to reset ‌and create an arms control regime fit for a rapidly evolving context" and ‌welcomed the appreciation by the leaders of both Russia and the United States of the need to prevent a return to a world of unchecked ‍nuclear proliferation.

"The world now looks to the Russian Federation and the United States to translate words into ⁠action," Guterres said.

"I urge both states to return to the negotiating table without delay and to agree upon a successor framework that restores verifiable limits, reduces risks, and strengthens our common security."

(Reporting by David Brunnstrom; Editing by Edmund Klamann)



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