Ukrainian President Volodymyr Zelenskyy said he had been briefed by Ukrainian intelligence services about what he described as North Korea's "effective involvement" in Russia's war in his country.

The U.S. says it is "concerned" about reports of North Korean soldiers fighting alongside Russian troops in the war against Ukraine, calling it "a new level of desperation."

The military alliance started its annual nuclear exercise "Steadfast Noon" with up to 60 aircraft taking part on Monday.

A group of German intelligence officials warned the Bundestag against Russia's "aggressive actions," with the conflict having the potential to spill out into NATO countries.View on euronews

Russia will likely be capable of launching an attack on NATO by 2030 and is ramping up efforts to disrupt Ukraine's Western supporters through sabotage, German intelligence chiefs warned Monday.