The officers were in a car transporting the prisoner near the village of Sadovy in the North Caucasus republic of Karachai-Circassia, police spokeswoman Yevgeniya Bastanova told RIA Novosti. The prisoner escaped.
"Three policemen were killed. The assailants freed the prisoner and fled the scene," she said.
Gunmen Wednesday invaded a cafe in another North Caucasus republic, Kabardino-Balkaria, and killed execution-style five policemen as they ate lunch, RIA Novosti said.
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