Emergency services are responding to a serious crash near Temuka.
Initial reports show that the crash, involves a single vehicle near the intersection of Middleswamp Road and Guild Road, and was reported to Police around 11.45am.
A police spokesperson said three people have received critical injuries.
Road closures are currently in place and motorists are asked to please avoid the area while emergency services are at the scene.
The Serious Crash Unit has been advised.