Six people have been injured, two seriously, after a crash near Waimate this afternoon.
Two rescue helicopters and two ambulances were dispatched to State Highway 82 in Ikawai.
Police communications Senior Sergeant Dean Lawrence understood a van load of people had been injured.
St John said the helicopters flew two women with serious injuries and a man with moderate injuries to Dunedin Hospital.
Two women and a man, all with moderate injuries were taken to Timaru Hospital by ambulance.