A clash at Moragahahena last night injured 12 people including three policemen.
The clash had taken place after a mob caught a wanted criminal and handed him over to the police.
A group linked with the criminal had attacked the mob resulting in a clash between both groups.
The police had gone to the area to bring the situation under control.
However the group which was supporting the criminal attacked the police.
The injured people were admitted to hospital for treatment.