The incident took place in Sheikhpura village as the mob attacked a police team and rained stones on them after they reached the village to separate two warring groups of people, the sources said.
A sub-inspector Suresh Prasad and an assistant sub-inspector Rajkishore Rai sustained injuries in the clash with the villagers, eight of who also sustained injuries, they said.
The Sub-Divisional Officer (SDO) Manoranjan Kumar and the Deputy Superintendent of Police (DSP) Vakil Ahmed rushed to the village with reinforcement to bring the law and order situation under control, the sources said.