One child dead and two children and woman in critical condition after Blue Mountains stabbing

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.“Officers from Blue Mountains Police Area Command have been informed that several members of the public performed first aid on the woman and three children whilst contacting Triple Zero,” they said in a statement.One of the children was found dead in the vehicle.Police said NSW Ambulance treated the two children, who are believed to be under five, and the woman, believed to be in her 40s, at the scene before they were taken to Westmead Hospital, where all three are listed as being in a critical condition.“A crime scene has been established, and police are not looking for any other people at this time,” they said.Police are urging anyone with information or mobile phone or dashcam footage of the incident to contact Crime Stoppers.More details soon …