A 61-year-old man has died in hospital overnight following a house fire in NSW's south.

At 7.10am yesterday, emergency services were called to the man's Wagga Wagga home and found the house alight.

Fire and Rescue rescued the man from the burning home.

He was later transported to Wagga Wagga Base Hospital shortly after, in a critical condition.

The man died in hospital overnight.

Local police have established a crime scene and are investigating the cause of the fire.

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