Two children suffered critical injuries in a three-car crash in which six people were hurt this afternoon.
The incident occurred about 10km south of Timaru about 3.50pm, between Sands Rd and the Avenue, on the Timaru-Pareora Highway (State Highway 1).
A St John Ambulance spokesman said two children had been critically injured in the crash.
All six of the injured had been taken to Timaru Hospital while at least one patient was being flown by helicopter to Christchurch hospital.
A police spokesman earlier said that possibly two people were trapped in vehicle.