A man is in a critical condition in hospital after sustaining burns to 90% of his body in a house fire at Burra.
Police and fire crews responded to a house fire on McBride Stock Road in Burra, just after midnight on Wednesday.
The house was completely destroyed in the fire with the damage bill estimated at around $150,000.
A 33-year-old man staying at the property sustained significant burns and was airlifted to the Royal Adelaide Hospital where he remains in a life-threatening condition.
Fire cause investigators are attending the scene to determine the cause of the blaze.
Anyone with information that may assist the investigation is asked to contact Crime Stoppers.