Police investigating the slaying of farmer Scott Guy are following up reports of a woman trying to give away chocolate coloured Labrador puppies in a Palmerston North car park.

An ex-pharmacist told court he'd been asked by police to keep selling cold medicine to "pill shoppers" to help their surveillance operation.

Two South Island teens stole firearms and several cars - including a Jaguar - in a 24-hour crime spree that finally came to an end when they were arrested in Nelson this afternoon.

A south Auckland liquor store was gutted by fire when a stolen car was driven into the building early this morning.

The principal of an elite Australian Catholic college has suspended a group of boys allegedly involved in a $6000 theft spree in Queenstown.

One of NZ's most-notorious career criminals pulled in a six-figure income while in jail - then picked up legal aid as well.

Three Canadians have been arrested in an alleged international crime syndicate, which modifies shops' eftpos machines to steal credit card details.

Three people are being interviewed by police after a stolen car was chased through several south Auckland suburbs today.