Man, 22, is left fighting for his life after being stabbed in the THROAT and boy, 2, is injured at a home in Sydney's west - as woman is arrested over incident

A man is fighting for his life in hospital after being stabbed in the chest and throat at a home in Sydney's west.

Police were called to the home in Carramar about 12.20pm on Sunday where they also found a two-year-old boy with scratches. 

The man, 22, was taken to Liverpool Hospital in a critical condition while four other people at the scene were treated for superficial injuries.

Police confirmed a 30-year-old woman was arrested after the incident and taken to Fairfield Police Station. She has not been charged.

Blood-soaked clothing and bandages were seen on the road directly outside the home on the quiet suburban street.

A man has been stabbed in the throat and a woman arrested after an incident in a home in Sydney's west on Saturday

Blood-soaked shirts and bandages were seen on the road outside the suburban home 

One woman, whose shirt was drenched in blood, was seen talking to police officers while another distressed man held a young boy. 

Paramedics were reportedly met with a 'quite chaotic' scene when they arrived.  

'We were called with reports of a male stabbed, on arrival it was a fairly confronting scene,' NSW Ambulance Acting Inspector Braden Robinson said, according to the Daily Telegraph. 

'We did find one male with a stab wound to his stomach and his neck.'

'We did also attend to four other patients on the scene for superficial injuries.'

A woman, whose shirt was covered in blood, was seen walking with officers at the scene

A two-year-old boy was treated at the scene for scratches and four others were assessed by paramedics