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A pro-Russian militant holding a bat guards a barricade in front of the Donetsk regional administration building on April 8, 2014. Ukraine mounted a counteroffensive on April 8 by vowing to treat the separatists as "terrorists" and making 70 arrests in a nighttime security sweep, while hundreds of militants remained holed inside the Donetsk administration building a day after proclaiming the creation of an independent "people's republic" and demanding that an independence referendum be held before May 11.
A pro-Russian militant holding a bat guards a barricade in front of the Donetsk regional administration building on April 8, 2014. Ukraine mounted a counteroffensive on April 8 by vowing to treat the separatists as "terrorists" and making 70 arrests in a nighttime security sweep, while hundreds of militants remained holed inside the Donetsk administration building a day after proclaiming the creation of an independent "people's republic" and demanding that an independence referendum be held before May 11.

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    Conflicting reports of hostage situation

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Conflicting reports of hostage situation

There are conflicting reports of a hostage situation in Ukraine. CNN's Nick Paton Walsh reports.

Conflicting reports of hostage situation

There are conflicting reports of a hostage situation in Ukraine. CNN's Nick Paton Walsh reports.