Two youths Arun and Aditya were assaulted when their motorcycle collided with a cyclist and injured him, IG (Law and Order) R K Vishwakarma told reporters.
After this incident the youths returned with 20-25 persons and vandalised a few shops, but police soon brought the situation under control, he said adding, one company PAC has been posted at the town as a preventive measure.
Some persons have been arrested in connection with the incident, the officer added.