Christchurch Police are attending a serious crash on State Highway 1 just south of Rakaia.
Police were called just before 5:30AM this morning when a truck and car collided. One person has critical injuries and will be airlifted to Christchurch Hospital.
Serious Crash Unit are on the scene and the road is expected to be closed for some time. Diversions are being put in place and motorists are asked to avoid the area.
Issued by Police Media Centre