The mob, angered by the beating up of four persons by a village defence party suspecting them to be cattle thieves last night, pelted stones today injuring Deputy Superintendent of Police (Border) Deba Ranjan Sarma at Rajghat yown in the district, police said.
The mob damaged cars and burnt tyres on the roads, they said.
After a lathicharge failed to control the situation, the police fired, injuring two persons. The police claimed that rubber bullets were fired.