A man has been taken to hospital in a critical condition after crashing his vehicle into a parked car in Highgate.
Police believe the man, thought to be in his 60s, was the victim of a medical event.
The crash occurred shortly before 1pm near the intersection of Oban St. Road diversions remain in place.
"CPR was administered at the scene by St John staff,'' a police spokeswoman said.
"He was taken to hospital in a critical condition.
"It's believed to have been a medical event that caused the crash.''
The man remains at Dunedin Hospital, but no further details of the medical event were available.