Nelson Police are seeking information from the public to help identify three teenage girls involved in an assault at Victory Square on Wednesday evening.
The incident about 9pm was captured on the recently-installed CCTV camera and showed the trio kicking and punching a 20 year old woman.
Members of the public intervened and the three offenders ran off in the direction of Gorrie St.
The victim received a bleeding nose and her clothing was ripped, however police believe her injuries could have been more serious if people had not intervened.
The offenders are believed to be Maori. One was wearing a knee length green jacket and another had on a light coloured hat.
Anyone who witnessed this incident or has information that may help to identify those involved should call Nelson Police Ph 546 3840. Information can also be given by calling Crimestoppers Ph 0800 555 111.