At least 30 pro-Russian separatists ambushed Ukrainian troops Tuesday, killing six soldiers and wounding eight others. Armed with grenade launchers and automatic weapons, the pro-Russia insurgency attacked the troops nearby the eastern Ukrainian city of Kramatorsk, Ukraine’s defense ministry said…

Fighting broke out in the city of Mariupol, Ukraine, between Ukrainian troops and pro-Russian separatists. The violence erupted Friday when pro-Russian separatists attempted to seize police headquarters in Mariupol, an important industrial town of 500,000 on the Sea of Azov,…

Russian President Vladimir Putin announced that he has pulled his military forces from Ukraine’s border, and called on pro-Russian separatists to postpone their planned secession vote. However, the White House imposed further sanctions, saying there’s no evidence of the retreat.

Vladimir Putin told diplomats Wednesday that Russian troops have been pulled back from the Ukrainian border. Putin also called on Ukraine's military to halt all operations against pro-Russia activists who have seized government buildings and police stations in at least…