A crash involving a car in Canterbury has closed a highway and left two people injured.
Police were called to crash near Hanmer Springs at 4am this morning on the Percival Bridge on Hanmer Springs Road.
The two people have been transfered to Christchurch hospital with critical and serious injuries.
Police say River Road and Jollies Pass Road are closed and diversions are in place.
The Serious Crash Unit is investigating and motorists should expect delays.
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