Two people have been injured after crashing their vehicle in Hornby.

A police spokesman told chrislynchmedia.com emergency services were called to Marshs Road in Hornby South at 11.55PM following a single-vehicle crash.

A St John spokesperson said they responded with two ambulances, one rapid response unit, one first response unit and an operations manager.

Two patients were treated and transported to Christchurch Hospital, one serious and one critical.

Traffic management was in place while the Serious Crash Unit examined the scene the police spokesperson said.