A woman is expected to be charged with arson after an Adelaide unit fire.
A 35-year-old man who lived at the Grange unit was not hurt in the blaze, which began shortly before 7.20pm on Saturday, police said.
The woman, also 35 and from Campbelltown, was taken to hospital to be psychiatrically assessed.
The pair knew each other and the woman is expected to be charged over the blaze.
© AAP 2019