The NT Police Force has arrested three youths after an aggravated robbery occurred in Karama on Monday evening.

Around 6:45pm, the Joint Emergency Services Communication Centre received a report that a woman had allegedly been robbed by two youths while walking near Robyn Leslie Park.

It is alleged the victim was approached by a male and female youth, one of which was armed with an edged weapon, who demanded her phone and money. The offenders then stole her phone and wallet before fleeing the scene.

A short time later, Casuarina general duties officers located and arrested three youths aged, 10, 12 and 14, at a shopping complex on Leanyer Drive, Leanyer.

The 14-year-old female was later charged with aggravated robbery and the 12 and 10-year-old males were each charged with breach of bail.

One 10-year-old male was granted police bail and the 14-year-old female, and 12-year-old male will face court today.

Police urge anyone with information about the incident to make contact on 131 444, quoting reference number P25207586. Anonymous reports can be made through Crime Stoppers on 1800 333 000.

*This release has been updated to correct the age of the offender from 10 to 12.*