Three people have been charged following a Mandurah brawl on Tuesday night, including a 71-year-old woman and a 15-year-old girl.
Police said 15 vehicles attended the incident at 6.40pm involving about 60 people, including adults and children, at an under-13 girls basketball match at the Mandurah Recreation Centre.
A 58-year-old male referee who tried to break up the argument was bitten on his forearm and taken to Peel Health Campus, before being discharged later that evening.
On Wednesday afternoon police charged three people in relation to their involvement in the incident.
A 35-year-old Mandurah woman has been charged with taking part in a riot and a 71-year-old Coodanup woman has been charged with aggravated common assault and riotous behavior.
They are due to appear in the Mandurah Magistrates Court on November 29.
A 15-year-old Mandurah girl has been charged with aggravated assault occasioning bodily harm and taking part in a riot. She is due to appear before the Mandurah Children's Court on December 2.
The investigation is ongoing and police would like to speak to anyone who saw the incidents and anyone with information is urged to call Crime Stoppers on 1800 333 000 or report online at www.crimestopperswa.com.au.
Members of the public living or travelling in the area that may have CCTV or dash-cam footage are asked to upload it to https://wapf.au.evidence.com/axon/citizen/public/disorderly-incid-mandurah
