Australian man killed rafting Queenstown rapids was 31 year old dedicated police officer

He was one-of-six Australians on the raft, which overturned on Saturday.

Detective Senior Sergeant Paroci worked on the New South Wales Child Abuse and Sex Crimes Squad.

Colleagues say hewas a tireless worker; dedicated to investigating some of the most heinous crimes against children.

Owners of Challenge Rafting say Mr Paroci lost his grip as the raft was being towed to a bank, and was swept through another rapid.

Another person on the raft was moderately injured.

Maritime New Zealand and the coroner are investigating.