The U.S. issued some of its starkest, most detailed warnings yet about how a Russian invasion of Ukraine might unfold, and its Western allies went on high alert for any attempts by the Kremlin to create a false pretext for a new war in Europe.
U.S. President Joe Biden sounded unusually dire Thursday, as he warned that Washington saw no signs of a promised Russian withdrawal — but instead saw more troops moving toward the border with Ukraine, indicating Moscow could invade within days.
