Five more people have been arrested in a major police operation sparked by a confrontation between rival gangs at a Kaikohe service station.
The Saturday, May 9 clash occurred mid-afternoon so was witnessed by a large number of people, including families with small children.
More than 30 police from all over Northland searched a dozen homes in Kaikohe on Thursday in a show of force against the gangs.
As well as making the arrests, which were aided by crystal clear CCTV footage, police seized a swag of weapons, thousands of dollars in cash, methamphetamine and a vehicle.
Eight people were arrested on the first day of the operation. All face the rarely laid charges of rioting and participating in an organised criminal group, as well as possession of offensive weapons.