A plainclothes policeman attending the scene of an accident was put in a headlock and punched repeatedly by two men he was investigating, local media reports.
Police say the incident took place around 9.30 yesterday morning.
When the officer approached the men, they began swearing at him and when he attempted to arrest one of the men they began attacking him.
A member of the public came to the officer’s rescue and used the police radio to call for help.
The two local men were arrested and the officer was taken to Mullumbimby Hospital for minor treatment before being released.