Police have launched an investigation after a five-month-old girl died in a house fire at Bargo last night.
Officers and firefighters were called to the home at 6.25pm to find it already well alight.
Three adults and an 18-month-old child were taken to Campbelltown Hospital in a stable condition after escaping the house fire.
However authorities located the baby girl inside when performing a search of the property.
Emergency services attempted to resuscitate the girl but she was pronounced dead at the scene.
A 79-year-old woman and a 57-year-old man were also treated for smoke inhalation and lacerations.
A 27-year-old woman was treated for shock.
Fire and Rescue NSW and the Rural Fire Service worked to extinguish the blaze, which destroyed the house.
Officers from Camden Police Area Command are continuing to investigate the circumstances surrounding the fire.
Chief Inspector Stephen Greer is expected to address the media today about the investigation.
Anyone with information about this incident is urged to contact Crime Stoppers: 1800 333 000 or visit https://nsw.crimestoppers.com.au. Information is treated in strict confidence. The public is reminded not to report crime via NSW Police social media pages.