The police watchdog is probing a complaint over the alleged treatment of a teenage boy outside a night club in Co Tyrone last weekend.
The 16-year-old was arrested on suspicion of assaulting police.
A video clip reported on by the Irish News newspaper appears to show a uniformed police officer kick the teenager about the head while he is being held on the ground.
A spokesperson for the Office of the Police Ombudsman confirmed they have received a complaint, which they will be investigating.
They added that the officer was also notified of the matter by the PSNI.
Solicitor Gavin Booth of Phoenix Law, who is acting for the teenager, said they would say the “actions of the officers are wholly unacceptable and reprehensible”.
“We call on the PSNI to immediately suspend this officer from duty,” he added.
It is understood that no police officers have been removed from duty.
A police spokesperson said a 16-year-old boy was arrested on suspicion of…