Inquiries continue after an altercation involving gatecrashes at a party in Hurstville tonight.
About 9.10pm today, police were called to a hall on Queens Road, after about 20 to 30 teenage gatecrashes attended a 16th birthday party which was being held at the location.
Fights broke out between them and the partygoers, with one gatecrasher producing a knife and assaulting a 17-year-old male partygoer with the weapon, causing a scratch to his elbow.
About five cars in the car park were also damaged by the group, before police from St George Local Area Command and Police Transport Command (PTC) attended and dispersed them.
Three teenagers were detained by police at the scene, including two males who were given Criminal Infringement Notices for offensive behaviour, while another was conveyed home as an intoxicated person, NSW Police say.
The male who sustained the elbow injury was treated on scene by Ambulance Paramedics. Another male who stood on glass was also treated.
Police from St George Local Command are continuing with inquiries into the incident and will be reviewing CCTV vision.
The male who produced the knife has been described as Pacific Islander appearance, aged in his teens, with a lanky build, and he was wearing a ‘G-Star’ brand hooded jumper, a green bomber jacket, beige coloured chinos, and a green hat.
Police are urging anyone with information in relation to this incident to call Crime Stopers.