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DONETSK, UKRAINE - MAY 01: Pro-Russian activists storm the prosecutors office on May 1, 2014 in Donetsk, Ukraine. Activists marched to the prosecutors office and overran the police guarding the building. After taking control of the building and confiscated the police riot gear, police officers were set free. (Photo by Scott Olson/Getty Images)
DONETSK, UKRAINE - MAY 01: Pro-Russian activists storm the prosecutors office on May 1, 2014 in Donetsk, Ukraine. Activists marched to the prosecutors office and overran the police guarding the building. After taking control of the building and confiscated the police riot gear, police officers were set free. (Photo by Scott Olson/Getty Images)

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Ukraine government loses control of east

Ukraine's central government's authority is collapsing. CNN's Nick Paton Walsh reports.

Ukraine government loses control of east

Ukraine's central government's authority is collapsing. CNN's Nick Paton Walsh reports.