A new CCTV camera in Victory Square has helped police catch three teenage girls who attacked a young woman.

Police are seeking information to help find three teenage girls who attacked a young woman at Victory Square.

CCTV camera footage of the incident showed the trio kicking and punching a 20-year-old woman about 9pm on Wednesday.

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, but police said 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.

A CCTV camera began operating in Victory Square on April 10 with the aim of reducing crime and anti-social behaviour and making people feel safer in the area.

Anyone who witnessed this incident or has information that may help to identify those involved should call Nelson police on 546 3840.

Information can also be given by calling Crimestoppers on 0800 555 111.