Papua New Guinea's police commissioner, Tom Kulunga, is promising swift action against police officers who allegedly severed the achilles tendons of a group of about 20 male suspects.
He has expressed shock and anger at what appears to be an alarming increase in police brutality.
The commissioner says if it is proven that officers injured the men, who had been made to walk along a Port Moresby street, they will be suspended, charged and locked up.
Mr Kulunga says there is no place within the constabulary for such barbaric and animalistic behaviour.
He says under his watch nothing will be swept under the carpet.