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Pro-Russian separatists ride tanks in the eastern Ukrainian city of Lugansk on February 21, 2015. Ukraine's military and pro-Moscow rebels swapped scores of prisoners in rare compliance with a truce so badly breached over the past week that the US warned it could escalate sanctions on Russia within days
Pro-Russian separatists ride tanks in the eastern Ukrainian city of Lugansk on February 21, 2015. Ukraine's military and pro-Moscow rebels swapped scores of prisoners in rare compliance with a truce so badly breached over the past week that the US warned it could escalate sanctions on Russia within days

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Ukraine: We need separatists to deliver on ceasefire

CNN's Hala Gorani speak to Ukrainian FM Pavlo Klimkin about why the ceasefire in eastern Ukraine hasn't been followed.

Ukraine: We need separatists to deliver on ceasefire

CNN's Hala Gorani speak to Ukrainian FM Pavlo Klimkin about why the ceasefire in eastern Ukraine hasn't been followed.