Two people have reportedly been critically injured in a two-vehicle crash in rural Canterbury.
Police said in a statement emergency services responded to the crash, on Old West Coast Rd, near Pitts Rd, Darfield about 11am.
Two people were reported to be in a critical condition.
The Serious Crash Unit has been advised.
Motorists were told to take an alternate route while the road was blocked. Diversions are in place.