A young person was airlifted to Dunedin in a critical condition after a quad bike rolled on a rural property in Southland.
Police said the accident happened near Ohai on Sunday morning,
It was one of two serious crashes in rural areas in the South at the weekend.
In the other crash a man was flown to hospital in a serious condition early on Sunday morning after a 4WD vehicle rolled into a gully in the Danseys Pass area.
The vehicle was part of a hunting party.