Four people have been injured, one critically, after a jet boat crash on Dart River, near Glenorchy.
St John reports the crash occurred at about 2:20pm on Saturday. One person is critically injured, one has serious injuries and two others are in a moderate condition.
Three helicopters and one ambulance were sent to the scene and the patients have been transported to Dunedin Hospital.
Police say WorkSafe has been advised of the crash.