Kerry warns Ukraine that sanctions could be increased . ` Medvedev : Russia can export more to China . ` As a result of what 's going on in Ukraine , '' U.S. troops add drills in Ukraine . Acting President Oleksandr Turchynov calls for renewal of anti - terror measures . VP Joe Biden tells Ukraine that the United States has his country 's support .
Kerry warns Ukraine that sanctions could be increased . ` ` As a result of what 's going on in Ukraine , '' U.S. troops add drills in Ukraine . Acting President Oleksandr Turchynov calls for renewal of anti - terror measures . VP Joe Biden tells Ukraine that the United States has his country 's support .