The incident started at Wegit Way, Warrawong, a suburb of Wollongong, at about 6.30pm yesterday, when emergency services responded to reports of a brawl.
On arrival, police found a 39-year-old woman suffering from stab wounds to her torso.
She was treated at the scene by paramedics before being taken to hospital, where she remains today in a critical condition.
A crime scene was set up and an investigation into the incident began.
Shortly after, police arrested three girls – aged 13, 14, and 15 – on nearby Northcliffe Drive.
Officers seized items, including knives, which will undergo forensic examination.
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The two older girls were charged with armed with knife-related offences and affray.
The 14-year-old girl was also charged with stalking.
The youngest girl was charged with affray.
All three were refused bail to appear at a children’s court today.
Police are continuing investigations, with initial inquiries suggesting more people were present at the time of the incident.
Anyone with information about the incident should call Crime Stoppers on 1800 333 000.
