Police have shut down a teenage birthday party in Baldivis on Sunday night.
Officers declared the 16th birthday on Minchin Turn out of control after they received multiple complaints about 11:10pm.
CCTV shows police running with torches and teens flooding the streets.
The WA Police Force is seeking any dashcam, mobile or CCTV footage of the gathering or of the groups moving through the suburb as they dispersed.
Footage can be uploaded to the evidence link here: https://wapf.au.evidence.com/axon/citizen/public/occgbaldivis
Any information about the incident can be reported to Crime Stoppers at http://www.crimestopperswa.com.au or via phone on 1800 333 000.