Russia could attack a Nato country within months, Danish intelligence says

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Denmark's defence minister Jeppe Bruus and the chief of the Defense Intelligence Service Thomas Ahrenkiel hold a press conference in connection with the release of a new Defense Intelligence Service assessment of the threat from Russia at the Commandant's House at Kastellet in Copenhagen, Denmark, on September 24, 2026. Picture: Ida Marie Odgaard / Ritzau Scanpix / AFP via Getty Images

Russia could launch a limited military attack against a Nato country in the coming months, Danish intelligence said, in one of the starkest warnings yet by western security services.

In a report published on Thursday, the Danish defence intelligence service warned of a “low but growing risk” that Russia could launch long-range strikes on Nato infrastructure supporting Ukraine, or carry out a limited incursion into a neighbouring country with a small number of troops, potentially operating without insignia.