Six Teenagers Stabbed During Bloody Brawl In Sydney's North Shore

Six teenagers ranging in age from 15 to 19 are in hospital after allegedly being stabbed by a man in Sydney's upper north shore.

Emergency services were called to Cameron Park on Gilroy Road in Turrmurra shortly before midnight on Saturday, police said.

They found six teenagers with stab wounds and a 34-year-old man with head and upper body injuries.

Police have been told the man allegedly stabbed the teens during a fight.

"When we arrived we found a very horrific scene," Chief Inspector Tim Windmill said.

All seven people were treated at the scene by paramedics, before being taken to either Royal North Shore Hospital or Westmead Hospital.

A 17-year-old boy and a 16-year-old girl are both undergoing surgery after sustaining injuries to their upper body. The boy, from Mt Kuring-Gai, suffered stab wounds to the throat, chest and abdomen while the girl was stabbed in the neck and left forearm.

A table in Cameron Park after the incident covered in glass bottles. Image: 10 News First

A 19-year-old man from Hornsby is also being treated for a stab wound to his upper chest.

The other three teenagers, including a 15-year-old boy from Berowra, are being treated for stab wounds to their arms.

The 34-year-old man is currently under police guard in Westmead Hospital while being treated for injuries to his head and chest.

Police understand none of the injuries are considered life-threatening.