Three people have been injured in a two-car crash on State Highway One near Ashburton.
Emergency services were called to the crash at about 11am.
A St John spokesperson said three people were injured, one moderately and two seriously.
The two people in a serious condition are being airlifted to Christchurch Hospital.
![Traffic had backed up at the crash site at about 2pm. Photo / George Heard](https://www.nzherald.co.nz/resizer/v2/MFFR3IQN5N6P54MYSTNGOKK35A.jpg?auth=fd998cead9a7b8ee20588116236afa8b41511fec7be44c32a84f7f34fd5171db&width=16&height=11&quality=70&smart=true)