Berhampur: Three persons were injured, one of them critically, in a clash between two groups at Kodala, 40 km from here on Wednesday, police said. Two persons have been arrested in connection with the group clash, believed to have been taken place between supporters of the Congress and the BJD over an old dispute. One of the injured was admitted to the medical college hospital here in a critical condition, while two others were given first aid at nearby hospital, police added. -- PTI