The United Nations is expected to vote Thursday on a resolution demanding Russia withdraw its troops from Ukraine, one year after it invaded the country. While non-binding, the vote will lay out the extent of support for Kyiv around the world as the war grinds on with Russia occupying large chunks of Ukraine and both sides gearing up for intensified fighting in the spring. "As I said from day one, Russia's attack on Ukraine challenges the cornerstone principles and values of our multilateral system," he said