The White House estimates that since December Russia has suffered 100,000 casualties, including more than 20,000 killed, as Kyiv rebuffed a heavy assault by Russian forces in eastern Ukraine. White House National Security Council spokesman John Kirby said on May 1 that the U.S. estimate is based on newly declassified American intelligence. The new figures suggest that Russian losses have dramatically accelerated in recent months. General Mark Milley, the chairman of the Joint Chiefs of Staff, said in November that Russia had suffered well over 100,000 killed or wounded in the first eight months of the war. To read the original story by AP, click here.