A two-year-old girl is in a serious condition in hospital after being hit by a car in Sydney's west this afternoon.
The car allegedly rolled backwards down a driveway and stuck the girl, on Valda Street in Blacktown about 3.20pm today.
NSW Police said no one was in the car at the time.
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"NSW Ambulance paramedics treated the girl at the scene before taking her to Westmead Children's Hospital in a serious condition," NSW Police said in a statement.
Police have established a crime scene and are investigating the incident.
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