A homicide inquiry has been launched after a partygoer died inside a Manurewa nightclub in the early hours.
Police say a male patron died at Club 220 on Great South Road shortly after 3am.
Nightclub staff were giving the 30-year-old man CPR when emergency services arrived. However, he died soon after.
Police say a 28-year-old man has been arrested and charged with assault. He will appear in Manukau District court on Monday.
Staff and patrons from the club are assisting police with their investigations, officers say. Enquiries are continuing to identify the deceased and advise his family.