A person has died after an overnight crash between a truck and a motorcycle in south Canterbury.
The motorcyclist was in a critical condition when emergency services arrived at the crash, on Selwyn Rd, near Robinsons Rd, Rolleston about 3.30am.
Despite medical efforts, he died a short time later.
The Serious Crash Unit and the Commercial Vehicle Safety Team are investigating and the road is closed.
Police ask that motorists are patient if they experience delays.