A man has been found unconscious in a south Auckland street with "unexplained" injuries.
The 24-year-old was discovered in the early hours of this morning by a member of the public near the intersection of Princes St and Beatty St, Pukekohe, police said.
He was taken to Middlemore Hospital, where he remains in a serious condition.
The man had sustained an injury "that is currently unexplained", Detective Senior Sergeant Albie Alexander of Counties Manukau Police said.
An investigation into how it happened has been launched.