Russia's ruble plummets, central bank hikes key rate from 8.5% to 20%
Live updates: Russians line up at banks as currency plunges; Russian central bank hikes key rate to 20 percent; UN says 500,000 Ukrainians have left country. Get the latest.
Live updates: Russians line up at banks as currency plunges; Russian central bank hikes key rate to 20 percent; UN says 500,000 Ukrainians have left country. Get the latest.