A BABY has been flown to hospital in Sydney after she was found critically injured at a house in Lithgow on Sunday night.
The 11-month-old girl was unconscious when police and paramedics arrived at the home on Landa Street in Lithgow about 8.50pm on Sunday.
The baby was taken to Lithgow Hospital, before she was flown to The Children's Hospital in Westmead in a critical condition.
It is understood she was undergoing surgery early on Monday morning.
Police were told that the baby was injured when she fell from a cot at the house.
Officers from the Chifley Local Area Command set up a crime scene at the house, and forensic officers examined the scene.
"Detectives are conducting investigations to establish how the girl sustained her injuries and urge anyone with information to contact police," a NSW Police spokeswoman said.
Anyone with information should contact Crime Stoppers on 1800 333 000.