Three people have been arrested and inquiries are continuing after a police officer was assaulted during an incident at Ermington overnight, NSW Police say.
Police were called to a community hall on River Road just after 10pm yesterday, following reports of a brawl.
Officers from Rosehill Local Area Command attended and found a number of people fighting.
The group of more than 100 people had been attending a birthday party at the hall.
Officers attempted to disperse the crowd; however, a number of people resisted and refused to leave.
A female officer was then allegedly struck to the back with a chair.
Further police were called and officers from neighbouring commands and specialist units attended and the party was shut down.
Three people were arrested and taken to Rosehill Police Station.
A 19-year-old man was charged with affray, intimidation, and hinder police. The Ermington man was bail refused to appear at Parramatta Local Court today.
An 18-year-old Campsie man was charged with assault police and resist arrest. He was given conditional bail to appear at Parramatta Local Court on 17 May 2016.
A 17-year-old Dulwich Hill male was given a youth caution for affray.
Inquiries into the incident continue.
Police are urging anyone with information in relation to this incident to call Crime Stopers.