Police have charged three more teenage girls over a violent rampage in Cockburn that saw eight people assaulted.
Police say several young girls allegedly acted in a "pack mentality" assaulting people at numerous outlets at the Gateway Shopping Centre on April1.
The group of girls, aged between 12 and 15, allegedly bashed a McDonald's staff member and stole her necklace before they moved to a medical centre where they punched the receptionist.
Police arrested seven of the youths, charging two of them with stealing and disorderly conduct.
Today, police charged a further three girls.
A 13-year old girl from Hamilton Hill and a 15-year-old girl from Girrawheen will appear in the Perth Children's Court today.
A 14-year-old girl from Yangebup will appear in court on May 2.