A 10-year-old boy has been seriously injured, and three other people moderately, in a two-car crash just outside of Geraldine.
Emergency services were at the scene of the crash on Geraldine-Fairlie Highway, State Highway 79, near the intersection with Mullvihill Rd, at 6pm.
A St John spokesman said the boy, a man and woman were taken to Dunedin Hospital by helicopter.
The fourth patient, a woman, was taken to Timaru Hospital by ambulance.
The incident has closed State Highway 79 in the area of Kakahu.