Tonga's Police Commander says all officers in the force will be held to account for any on the job misconduct regardless of their rank or length of service.
Tonga's Chief Justice sentenced senior long serving police officer Viliami Toki in the Supreme Court last Friday to one year's imprisonment for assaulting and injuring a man in custody two years ago.
Justice Anthony Ford told the court that the sentence would deter other police from taking the law into their own hands.
Commander Chris Kelley says his staff are required to comply with the Tonga Police Professional Standards Unit at all times, as public trust and confidence in the force is a priority.
"I'm very optimistic. I think those staff that may have operated under the old school or the old system are seeing clearly that that's no longer acceptable and that change must come and if you can't accept change then there's no place for you."
Tonga's police commander Chris Kelley.