The Charminar police on Thursday arrested four persons in connection with an altercation over vehicle parking which led to communal tension at Urdu Galli in Pathargatti the previous night.

Among the arrested were three youngsters and a businessman’s son. Two youngsters riding a bike picked up an argument with the businessman’s son over parking the latter’s car on the roadside.

While the bike riders demanded that the car be moved, the other person suggested to them to take a detour leading to an altercation on Wednesday night, the police said.

After exchanging heated arguments, the duo suddenly picked up a stick and attacked the youngster, his sibling and their father. “The businessman’s family too attacked the duo. As the two groups belonged to different communities, tension began to build up in the area with people gathering on both sides,” the Charminar police said.

Police rushed to the area and dispersed groups of the two communities assuring to take action against persons responsible for the trouble. They registered attempt to murder cases against the businessman’s family and the duo as well on Thursday.

The two bike riders and their associate who was also allegedly involved in the attack and the businessman’s son were arrested. They were produced before a court and remanded in judicial custody.

Alleging that the police acted with bias, businessmen of one community in Urdu Galli downed their shutters and staged a demonstration on Thursday.

They were taken into preventive custody and let off later.