The Cordon at Stadium Southland has been partially lifted after a stabbing on the grounds on Wednesday.

A further six people have been charged with murder in relation to the death of a 19-year-old man in Invercargill on Wednesday.

The three women and three men appeared before Judge John Brandts-Giesen in Youth Court in Invercargill on Friday.

No pleas were entered and all were remanded in custody, to reappear in the High Court via audio-visual link on June 27.

The three women are aged 16, 23 and 18. The three men are aged 19, 21, and 18.

The 18-year-old man is also charged with driving while disqualified on Wednesday.

The judge ordered interim suppression of the names of the accused, and of the dead man's name.

On Thursday, a 20-year-old man charged with murder appeared in the Invercargill District Court.

He was remanded in custody until June 27, when he was to appear in the High Court.

Police said the seven people arrested were all known to the dead man and police were not looking for anyone else in relation to the incident.

Area Commander Inspector Joel Lamb said he believed it was an isolated incident.

Police thanked the public who assisted with the inquiries.

While arrests have been made in the case, police continued to welcome information from the public.

If you were in the vicinity of Stadium Southland around 11pm on Wednesday June 7 or if you have information relevant to the investigation please contact Invercargill Police on 03 211 0400.

Information can also be shared anonymously via Crimestoppers on 0800 555 111.

Forensic staff were carrying out a scene examination at a residential address in Invercargill on Friday as part of the investigation.

More to come.