A new school in one of the poorest parts of New Zealand wants government help to keep gangs outside its gates.

A law change to ban gang patches in schools and police stations could be too broad and capture people who are innocently wearing gang colours, MPs have been told.

Police officers who crossed a legal line to pursue gang members are the focus of an internal investigation which could lead to criminal charges.

A senior Hells Angel has had a drug charge dropped as the fallout from the fake police prosecution of an undercover officer continues.

Editorial: If any 'slaps in the face' have been delivered over the Red Devils case, they are to members of the judiciary and public confidence in the justice system.

Police have confirmed that gang members have tried to join the police force but they could not say how many had been intercepted during the recruitment stage.

Two Mongrel Mob members have been sentenced to a combined 21 years in prison for a pack rape in which they "preyed upon" a drunk 21-year-old woman.

A gang leader claimed his fleet of fast cars was partially paid for by his success as a professional gigolo rather than his drug enterprise.