Secretary of the Ukraine Security Services Kerry speaks to Russian foreign minister . In the eastern city of Kramatorsk , police and pro-Russia activists exchanged gunfire , acting Interior Minister Arsen Avakov 's spokeswoman , Natalia Stativko , told CNN on Saturday . Kerry to travel to Ukraine later this month . Unidentified gunmen seize buildings in the eastern Ukraine town of Kiev . Russian protesters have taken over buildings in other cities in the region in past days .
Secretary of the Ukraine Security Services Kerry speaks to Russian foreign minister . Kerry to travel to Ukraine later this month . Unidentified gunmen seize buildings in the eastern Ukraine town of Kiev . Russian protesters have taken over buildings in other cities in the region in past days .