Crime scene established at Waratah Road, Valley Heights as NSW police say they ‘are not looking for any other people at this time’

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A child has died in a stabbing attack in the Blue Mountains, with two other children and a woman in hospital in critical condition, New South Wales police say.

In a statement on Sunday afternoon, police said emergency services responded to reports of three children and a woman with stab wounds in a vehicle on Waratah Road, Valley Heights.