Newsweek has contacted the White House for comment.

This ISW map shows the state of play in Belgorod, Russia, where Ukraine is said to have made gains. This ISW map shows the state of play in Belgorod, Russia, where Ukraine is said to have made gains.

Fighting has raged in Ukraine since Russia launched a full-scale invasion more than three years ago. Russian forces have slowly expanded the amount of territory they control over the past year ...