Nine people including a 15-year-old boy have been charged following an alleged brawl at a shopping complex.
Police believe 10 males were involved in the alleged fight, which took place on Ballan Road, Thursday, January 13.
A 16-year-old Werribee boy was arrested that night.
Since then, police have charged a further eight males with multiple offences including affray, violent disorder, reckless conduct endanger serious injury and weapons offences.
Three 18-year-olds were charged, including two from Wyndham Vale and one from Fitzroy.
Six youths have also been charged, two 17-year-olds, three 16-year-olds and a 15-year old from Collingwood.
They will appear at a children’s court at a later date.
The investigation remains ongoing and anyone else who witnessed the incident or with information that could assist police further is urged to call Crime Stoppers on 1800 333 000 or log onto www.crimestoppersvic.com.au