Three of five alleged offenders have been arrested in relation to an aggravated robbery along Bagot Road yesterday.
About 3:30pm, police received reports of a male having his scooter stolen after being physically assaulted and threatened by five offenders allegedly carrying knives.
Dog Operations Unit, Strike Force Trident and Casuarina general duties members attended and arrested three males, aged 15, 17 and 18-year-old, nearby.
The 18 and 17-year-old have since been charged with Aggravated robbery and the 15-year-old has been charged with Breach bail.
Strike Force Trident has carriage of the investigation, and two suspects remain outstanding.
Police would like to thank the member of the public that reported the incident to police after passing in a vehicle.
Anyone who witnesses antisocial or criminal behaviour is urged to contact police on 131 444 or in an emergency dial Triple Zero.