SYDNEY, Aug. 8 (Xinhua) -- A man has been hospitalized in a critical condition and a teenager has been arrested following the stabbing attack at a public park in Sydney.

Emergency services were called to reports of an assault at the park in the inner-western Sydney suburb of Annandale at about 10:45 p.m. on Thursday.

Police officers arrived and found six men with a range of injuries, who said they had been assaulted by a group of four unknown males following an argument.

One of the victims, a 21-year-old man, suffered stab wounds and was taken to hospital in a critical condition.

Four more of the injured men were also taken to hospital, while one was treated at the scene by ambulance paramedics but did not require hospitalization.

Police established a crime scene and commenced an investigation into the incident. Following inquiries, a 15-year-old boy was arrested in Annandale at around 12:15 a.m. and taken to a nearby police station. ■