Ukrainian President Petro Poroshenko said on Aug. 28 that Russian forces had entered his country and the military conflict was worsening after Russian-backed separatists swept into a key town in the east.
Russia's War Against Ukraine
Ukrainian President Petro Poroshenko said on Aug. 28 that Russian forces had entered his country and the military conflict was worsening after Russian-backed separatists swept into a key town in the east.