"The American administration should critically consider what is happening and the possible risks," the Russian Embassy told Newsweek.

Russia has sustained more than 600,000 casualties during the war in Ukraine, a sign of losses accelerating out of proportion with its gains, Pentagon officials said. Since the summer, Moscow has continued to take territory in Ukraine's eastern region of Donetsk,

Russian attacks across Ukraine killed at least three people and injured at least 50 over the past day, including children, regional authorities reported on Oct. 8.