Police are appealing for information after a stabbing at a meeting of street racers in Waikato over the weekend.
Two people are in a moderate to serious condition after being stabbed on State Highway 27 near Springdale about 12.30am on Sunday.
Police said they were continuing their investigation and had seized a number of items from the scene.
They believed others involved in the stabbing had been travelling in a white BMW sedan, and were asking anyone with information to get in contact.