A second person has been charged following an alleged stabbing at a house party in Sydney's eastern beaches last month.
In July 2025, officers attached to Eastern Beaches Police Area Command established Strike Force Murdong and commenced an investigation into an alleged assault and a stabbing of a 16-year-old boy on Carnegie Court, Chifley, about 8.20pm on Saturday 5 July 2025.
Police were told the boy and an 18-year-old man were approached by about 10 people, two of them allegedly armed with machetes.
The boy was treated by NSW Ambulance paramedics before being taken to a hospital in a stable condition.
Following inquiries, police arrested and charged a 16-year-old boy. He remains before the courts.
Following further investigations, about 9.15am today (Friday 15 August 2025), police arrested an 18-year-old woman at a home on Maddison Circuit, St Clair.
She was taken to St Marys Police Station where she was charged with wound person with intent to cause grievous bodily harm (accessory after the fact) and conceal serious indictable offence (more than 20 years max) of other.
She was granted conditional bail to appear at Penrith Local Court on Wednesday 10 September 2025.
Inquiries under Strike Force Murdong continue.
As inquiries continue, anyone with information of this incident is urged to contact Crime Stoppers: 1800 333 000 or https://nsw.crimestoppers.com.au Information is managed on a confidential basis. The public is reminded not to report information via NSW Police social media pages.