A homicide investigation into the death of a 21 year-old man at Manurewa's Jellicoe Park is continuing,

Police want to hear from any witnesses to suspicious activity in a South Auckland park between 11 and 11.30pm on Saturday.

Police says the victim and his friends were socialising and playing music in the park..

Acting Detective Inspector Warrick Adkin says the enquiry team is working through information form a number of people.