CENTRAL West Police District officers have charged a teenaged girl believed to have been involved in the brawl which erupted at Robertson Park and then continued at two other locations on Sunday.
CWPD Chief Inspector Dave Harvey said police attended the park at about 3pm after people phoned and went to Orange police station to report the scuffle.
He said police told the two groups to disperse and they left the park, which was housing the Fusion Easter Family Fun Day.
According to police the same parties involved in the brawl are believed to have continued their conduct at around 6pm on Sampson Street, and again at 9.05pm on Pimpala Place.
MAP: Where the brawl broke out on Sunday afternoon ...
On Tuesday a 17-year-old girl was charged with affray and destroying or damaging property, with police claiming the teen was "involved in an altercation with a number of other persons in Robertson Park".
She was issued with a notice to attend court and will appear before Orange Children's Court on Monday, April 29.
CWPD officers are also investigating two unrelated instances of damage to property.
A building was damaged on Lords Place between 5pm on Monday and 6.45am on Tuesday, with a window smashed at the location.
Meanwhile, another building was damaged on Anson Street between 5.45pm on Friday and 7am on Monday, where another window was broken.
Anyone able to assist police with any of these matters should contact police on 6363 6399 or give information anonymously via Crime Stoppers on 1800 333 000.
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