"The incident took place at Bangalpura Vaza Mohalla in Bhiwandi over the issue of laying of a water-pipeline in the intervening night of December 20-21," Police Inspector Anant Parad of Bhiwandi city police station said.
A police constable and three persons were injured after members of the two groups pelted stones at each other. A house and a vehicle was also damaged in stone pelting, he said.
Police claimed that they resorted to a mild lathi-charge, but no one was injured in it.