Two children have been arrested following an armed robbery in Hoppers Crossing on Thursday night.
The incident occurred at the Pacific Werribee shopping centre on Heaths Road about 9.20pm on May 2.
Police have been told two girls and a male approached a 16-year-old Hoppers Crossing girl and a 16-year-old Footscray girl at a bus terminal and made demands for their property.
One of the girls produced a knife during the incident before they stole property and fled.
Police arrested a 16-year-old Kurunjang girl and a 16-year-old Altona North girl a short time later on Heaths Road.
Investigations are continuing in relation to the male offender.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or www.crimestoppersvic.com.au