[1/6] Ukrainian servicemen of the 17th Independent Tanks Brigade are seen atop of a T-64 tank, as Russia's attack on Ukraine continues, near the frontline town of Bakhmut, Donetsk region, Ukraine February 23, 2023.
"Using Ukraine, the collective West is seeking to dismember Russia, to deprive it of its independence.
U.S. President Joe Biden will meet virtually on Friday with G7 leaders and Zelenskiy to mark the anniversary and announce new sanctions against those aiding Russia's war effort, the White House said.
Ukraine and its Western partners have brushed off the nuclear talk as a diversion from a stalled military campaign.
Some U.S. and Western officials estimate Russia's military casualties at nearly 200,000 dead or wounded, while in November the top U.S. general said more than 100,000 troops on each side had been killed or wounded.