Meanwhile, St John has transported one person to Christchurch Hospital in a serious condition following a truck and ute collision on State Highway 73, forcing its closure.
The incident took place around 40 minutes west of Christchurch, near Kirwee at the intersection of SH73 (West Coast Rd) and Bealey Rd.
St John sent to vehicles to the scene and treated one patient, it reported.
A police spokeswoman said they were called to assist St John around 3.05pm and traffic is currently being diverted away from the scene.
NZ Transport Agency reports the serious incident has forced the closure of the road and asks motorists to follow the direction of emergency services.
The police spokeswoman said a tow truck was on its way to the scene to clear the vehicles.
