A corrections van with prisoners inside has crashed north of Taupō this afternoon.
Police told 1 NEWS there were two staff members and four prisoners in the vehicle. All four prisoners were taken to hospital to be treated for minor injuries and will be returned to custody upon being cleared, police say.
Neither of the two corrections staff were injured in the crash.
There is no threat to public safety, according to police.
The van was transporting prisoners between Rimutaka Prison and Spring Hill Corrections Facility.
A photo supplied to 1 NEWS by an eyewitness shows what looks to be the overturned corrections van involved in the crash.
The crash occurred on SH1, Atiamuri - north of Taupō - around 4.10pm and the road was closed for several hours.
Three ambulances and one helicopter were deployed to the scene.