Russia to blame for 'hot war' in Ukraine: U.S. special envoy

By Natalia Zinets and Matthias WilliamsKIEV (Reuters) - Russian aggression is to blame for violence in eastern Ukraine, where people are dying in what should be seen as a "hot war" rather than a "frozen conflict", the U.S. special envoy to the Ukraine peace talks said on a visit to Ukraine on Sunday.Kurt Volker, a former U.S. ambassador to NATO, was appointed to his current role on July 7 to help resolve the conflict between Ukrainian troops and pro-Russian separatists, which haskilled more than