US believes Russians have suffered 100,000 casualties in 5 months

The White House estimated on Monday that Russia's military has suffered 100,000 casualties in the last five months in fighting against Ukraine in the Bakhmut region.

White House national security spokesperson John Kirby told reporters the figure, based on U.S. intelligence estimates, included more than 20,000 dead, half of them from the Wagner group. The Bakhmut offensive has stalled and failed, he said.

"Russia's attempt at an offensive in the Donbas largely through Bakhmut has failed," Kirby said. "Russia has been unable to seize any real strategic and significant territory."

He said the Russians have made some incremental gains in Bakhmut but that this has come at a "terrible, terrible cost" and that Ukraine's defenses in the region remain strong.

"Russia has exhausted its military stockpiles and its armed forces and since December alone, we estimate that Russia has suffered more than 100,000 casualties, including over 20,000 killed in action, nearly half of whom were Wagner soldiers," he said.

"It's really stunning, these numbers," Kirby added, saying the total is three times the number of American casualties in the Guadalcanal campaign in World War Two.

Kirby said another U.S. weapons package for Ukraine would be announced soon.