WIESBADEN, Germany (Reuters) - NATO will not be cowed by Russian threats but keep up its strong support of Kyiv, NATO Secretary-General Mark Rutte said on his first visit to the alliance's Ukraine mission in Wiesbaden, set to take over the coordination of military aid from the U.S.

BRUSSELS -- BRUSSELS (AP) — NATO will hold a long-planned major nuclear exercise next week, the alliance’s chief said Thursday, a few weeks after President Vladimir Putin announced changes to Russia’s nuclear doctrine to discourage Ukraine’s Western allies from supporting attacks on his country.

BRUSSELS — On his final day as NATO’s secretary general, after 10 years in the job, Jens Stoltenberg didn’t want to look back. But in an interview with POLITICO Magazine, he couldn’t help but share one great regret: that the West didn’t more forcefully intervene on Ukraine’s behalf after Russia first started biting into its territory in 2014.

The Kremlin said that NATO's annual nuclear exercise involving nuclear-capable military aircraft, which began on Monday, was fuelling tensions in light of the "hot war" unfolding in Ukraine. NATO was due to begin its annual "Steadfast Noon” nuclear exercise on Monday,

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

The Kremlin said that NATO's annual nuclear exercise involving nuclear-capable military aircraft, which began on Monday, was fuelling tensions in light of the "hot war" unfolding in Ukraine.