A 42-year-old woman has been charged with murder following the death of a man in South Australia.

At around 2.15pm yesterday, police responded to reports that a man had been found unconscious at a home on Dorothy Street in Port Pirie South.

The 52-year-old man could not be revived and was pronounced dead at the scene.

It is believed that the pair were in a domestic relationship and lived together at the address.

She is expected to appear in court on Tuesday.

A crime scene has been established as authorities continue to investigate the circumstances surrounding the 52-year-old’s death.