The clash occurred on Tuesday when two members of the CDF went on a hunting adventure inside the Wilpattu park. The wildlife officers have tried to arrest these two and then the clash has occurred.
During the brawl, a rubber-bullet used firearm carried by a wildlife officer had been accidently fired, wounding the CDF member.
The injured person has been sent to Anuradhapura Teaching Hospital while the other was arrested. Wildlife officers have also seized a firearm and live bullets.