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(FILES) A file picture taken on February 3, 2009, shows Russia's European Union (EU) envoy Vladimir Chizhov speaking to the media in Brussels. Chizhov slammed today Bulgaria's decision to suspend work on a Kremlin-backed South Stream gas pipeline under pressure from Brussels, calling it a "creeping shift to economic sanctions against Russia". AFP PHOTO JOHN THYSJOHN THYS/AFP/Getty Images
(FILES) A file picture taken on February 3, 2009, shows Russia's European Union (EU) envoy Vladimir Chizhov speaking to the media in Brussels. Chizhov slammed today Bulgaria's decision to suspend work on a Kremlin-backed South Stream gas pipeline under pressure from Brussels, calling it a "creeping shift to economic sanctions against Russia". AFP PHOTO JOHN THYSJOHN THYS/AFP/Getty Images

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Ambassador: Russia not sending troops to Ukraine

CNN's Hala Gorani speaks to Russian Ambassador Vladimir Chizhov about accusations his country is fueling the violence in Eastern Ukraine.

Ambassador: Russia not sending troops to Ukraine

CNN's Hala Gorani speaks to Russian Ambassador Vladimir Chizhov about accusations his country is fueling the violence in Eastern Ukraine.