Northern Territory Police have arrested a 45-year-old woman following an alleged stabbing incident in the Darwin CBD on Friday night.

Around 9.05pm, Joint Emergency Services Communication Centre received reports a woman armed with scissors had allegedly assaulted a man and a woman in the Smith Street Mall.

A security officer intervened and separated those involved before police arrived and arrested the alleged offender at the scene.

The male victim, who is known to the woman, suffered a superficial cut to his arm. A second victim, who is related to the woman, received minor scratches and a superficial cut to her upper arm.

Both were treated by St John Ambulance paramedics and did not require hospitalisation.

The woman remains in custody and is expected to be charged with 2 counts of aggravated assault, 2 counts intend serious harm, breach of a domestic violence order, breach of a suspended sentence and go armed in public.

The incident was captured on CCTV and investigations are ongoing.

Anyone who may have witnessed the incident is urged to contact police on 131 444, quoting reference number P26133212.

Anonymous reports can be made through Crime Stoppers on 1800 333 000 or via https://crimestoppersnt.com.au.

If you or someone you know are experiencing difficulties due to domestic violence, support services are available through 1800RESPECT (1800737732) or Lifeline 131 114.