Nine people have been injured in a crash on Mount Cook Road, near the Tekapo-Twizel Rd.
A police spokesman said officers received a report of the crash just before 10.30am.
“Two people have been seriously injured with a third person moderately injured,” the spokesman said initially.
A Hato Hone St John spokesman said two ambulances, two first response units, one rapid response unit, two managers, one Prime vehicle, and three helicopters have been sent to the scene.