Four people have been injured following a serious crash in the Selwyn District this afternoon.
A St John spokeswoman said that all four patients were on route to Christchurch Hospital - two in a critical condition with the other two patients were moderate.
Three ambulances and other emergency services attended the scene, with a helicopter also dispatched.
Police said the crash occurred on Waimakariri Gorge Rd between Darfield and Springfield around 4.15pm.
Diversions are in place at Curve and Pinegrove Rds off SH73 - the road is not suitable for heavy vehicles.
