NSW Police are searching for six men linked to a serious assault in Sydney's CBD earlier this week.
Officers were called to the corner of George and Liverpool Streets, Sydney, after a man had been assaulted at about 2.10am on Monday.
A 25-year-old man allegedly became involved in a fight with six other men not known to him.
READ MORE: Police made 'wrong decision' during school shooting
The men fled the scene in a blue Holden Commodore.
Paramedics treated the 25-year-old at the scene where he was then taken to hospital with a fractured skill and bleeding on the brain.
He remains in a critical condition.
Police have released images of six men who they believe are involved in the incident.
They're all described as being of Indian Sub-Continental appearance.
READ MORE: More reptiles at risk of extinction than thought, 'especially in Australia'
The first man is described as being 180cm to 185cm tall, of solid build, with facial hair and short black hair. He was wearing a blue puffer jacket and a blue and red 'Ellesse' branded shirt and jeans.
The second man is about 180cm to 185cm tall, of solid build, with facial hair and short black hair. He was wearing a light-coloured hoodie jumper and dark track pants.
The third man is about 170cm to 175cm tall, of medium build, with clean-cut facial hair and short black hair. He has a rear neck tattoo.
He was wearing jeans, a light coloured shirt with a light coloured 'Puma' branded puffer jacket.
The fourth man is about 170cm to 175cm tall, of average build, with facial hair and short black hair combed to one side. He had on track pants, black sandals, and a light coloured zip jumper.
The fifth man is about 170cm to 175cm tall, of average build, with facial hair and short black hair. He was wearing light-coloured track pants, black thongs, and a hoodie.
READ MORE: Texas gunman threatens rapes and school shooting before massacre
The sixth man is about 170cm to 175cm tall, of small build, with short black hair. He was wearing a dark puffer jacket and light jeans.
Anyone who knows these men or witnessed the incident is urged to contact Crime Stoppers on 1800 333 000.
