Cockburn Police are investigating several incidents that occurred in Success on Monday, 1 April 2019.
It was reported to police that at around 5pm a group of (mostly) juveniles had caused a disturbance outside the Beeliar Drive shopping precinct.
The group then moved to a fast food store and attempted to steal property from the store and several customers.
They then made their way to another nearby business premises where further people were assaulted.
Seven juvenile females were arrested and taken to the Cockburn Police Station.
Nine victims have been identified at this stage.
Inquiries are continuing.
Police would like to hear from anyone who witnessed this incident or have information regarding this incident, contact Crime Stoppers on 1800 333 000 or report online www.crimestopperswa.com.au.
Port Kennedy bushfire deliberately lit
Emergency crews kept busy with Dawesville boat fire, Greenfields house fire
Lotto wins for Halls Head and Byford
New South West highway officially open to motorists
Man's body found in burnt out car near Boddington
Safety Bay woman charged over Broome drug operation
Mandurah to host AFL pre-season clash
Cats banned from parks, reserves in City of Rockingham
Woman assaulted by group of armed men in Barragup home invasion