Father of two Richard Neville is suing police for gross negligence and mental trauma after he was caught up in a bungled shootout on Auckland's northwestern motorway.

Police are looking for a large knife with a serrated edge, believed to have been used in the brutal fatal attack on Wellington man Matthew John Hall.

The officer heading the investigation into the slaying of a Wellington man says his injuries were some of the most "vicious" he had seen in his 23 years on the force.

A jury in the Palmerston North High Court has today found a man not guilty of murdering a three-year-old girl but guilty of her manslaughter. Kash McKinnon died of head injuries in Palmerston North Hospital in August 2009.

Police hunting the killer of a man who was the victim of a 'ferocious' stabbing attack at his Wellington home are appealing for new leads.

The man who admitted murdering a Tauranga mother and her daughter and stashing the 2-year-old girl's body in washing machine has been jailed for a minimum of 20 years.

A man is being questioned over the stabbing of three people, including a 13-year-old boy, in Hamilton last night.

A massive police hunt has been launched for the killer of a man who was the victim of a 'ferocious' stabbing attack at his Wellington home. Police found the body of Matthew Hall, 35, at his Johnsonville flat on Tuesday evening.

A police constable shot four times while investigating a suspected car break-in in south Auckland in December 2009 says he has no doubt about the identity of the gunman.

A teenager has undergone surgery after being shot in the chest in a drive-by shooting at Taupo.

One of two teenagers charged with attempted murder after a policeman was attacked with a machete at Taihape on December 11 last year has pleaded guilty.

A woman who paid an ex-gang member to beat up her daughter's partner and her brother who organised the assault were jailed today.

Police have named a woman killed in her east Auckland home on Sunday evening.

A former beautician turned self-appointed border vigilante has been found guilty of murder.

A police officer shot by a man high on methamphetamine in south Auckland in December 2009 thought the shooter was going to "execute me and finish me off", the constable told a jury today.

A woman who was found guilty of manslaughter after leaving her baby son unattended in a bath has had her sentence reduced by the Court of Appeal. The 29-year-old migrant left her 13-month-old baby boy in the bath for about 15 minutes...

The officer whose partner was shot during a routine patrol in South Auckland heard screams shortly after a volley of shots rang out.

Relatives in India are still be told of the brutal slaying of a woman in east Auckland last night.

A 47-year-old man has been charged with murder after a woman was stabbed to death in east Auckland last night.