
PHOTO: GERARD O'BRIEN
A police spokesman said emergency services responded to the crash at The Cove, on the Otago Peninsula, at 1.30pm following several calls from the public.
The road was blocked for a time while the scene was cleared, the spokesman said.
A Hato Hone St John spokesman said four people were transported to hospital.
Three were in a serious condition and another was in a moderate condition, he said.