A youth has been killed following a road accident in the Giriulla - Katugampala area.
Police said that the motorcycle which was coming from behind and crashed into a lorry as the lorry driver opened the driver's seat.
The two people who were on the motorcycle then had an argument with the police constable and the assistant to the lorry driver.
Subsequently they have assaulted the two persons on the motorcycle and the injured were rushed to the Dambadeniya hospital.
The 19-year-old young man who was travelling in the motorcycle was killed.