Three, including baby girl, critical in hospital after Sydney mass stabbing

Three people, including a nine-month-old baby girl, are in critical condition in hospital after they were injured in a stabbing spree at Sydney's Bondi Junction.

Knife-wielding Joel Cauchi, 40, carried out the mass attack at the Westfield shopping centre yesterday afternoon, which sparked an enormous emergency response.

Six people, five women and one man, were killed while a dozen more, ten females and two men, were injured and rushed to different hospitals around the city.

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NSW Health has confirmed that three people – a woman, man and a nine-month-old baby girl – remain in critical condition this afternoon while eight others are stable and one woman has been discharged from hospital.

Currently, there are three women in stable condition at St Vincent's Hospital. A man is also there in critical but stable condition.

Another woman is critical and a man is stable at Royal Prince Alfred Hospital.

The nine-month-old baby girl, who underwent surgery, is in critical but stable condition in intensive care at Sydney Children's Hospital.

One woman at Royal North Shore Hospital is in serious but stable condition.

TIMELINE: How the Bondi Junction Westfield stabbing attack unfolded

Three further women, two at Prince of Wales Hospital and one at St George Hospital, are all stable.

And a woman was today discharged from Prince of Wales Hospital. 

NSW Health extended its "deepest sympathies" to the families, friends and loved ones of those who died and were injured.

So far, only four killed have been identified; the nine-month-old's mother Ashlee Good, daughter of millionaire businessman Dawn Singleton, architect and mother-of-two Jade Young and refugee Faraz Tahir.

Cauchi, who had recently moved to the state from Queensland, was killed yesterday afternoon after shots were fired by police inspector Amy Scott. Her actions have been labelled heroic.

NSW Police Commissioner Karen Webb today said, while motive for the stabbing spree is unknown, police are investigating whether Cauchi had targeted women.

The 40-year-old was known to police due to his long history of mental health issues.