Patna: Stone-pelting in the clash of two groups

In Patna City, one group clashed with another group over some issue. What was then, in a short time the whole atmosphere turned into a battlefield. Heavy stone pelting started from both sides. In which many people got injured. As soon as the information about the incident was received, the police of several police stations in Patna reached the spot. But both the groups kept pelting stones for hours despite the presence of the police. Watch this video.