Ukraine's army chief of staff on Saturday listed for the first time some of the specific Russian military units alleged to be fighting against Kyiv alongside pro-Moscow separatists in eastern Ukraine.
Agence France-Presse: Kyiv lists Russian military units allegedly in Ukraine
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International observers of the Organization for Security and Co-operation in Europe (OSCE) meet pro-Russian rebels in the village of Spartak near the airport of Donetsk on April 10, 2015.