UPDATE: A man has died after reportedly getting in a fight with his brother at a house in Joondalup early Friday morning.

A neighbour told 7 News Perth the woman who lived in the house Manapouri Meander was visited by a friend just after midnight.

The brother of the visitor allegedly jumped the back fence of the house and began attacking him.

The neighbour said the fight spilled onto the driveway when the man visiting the home suffered a heart attack.

The woman performed CPR on her friend until paramedics arrived.

He was taken to Joondalup Health Campus but later died.

Homicide squad detectives are investigating the death and spent the night at the house.

The man’s 30-year-old brother was questioned by police before being released without charge this afternoon.

The investigation is continuing as detectives wait for the results of a post mortem examination.