Homicide detectives are investigating the suspicious death of a North Dandalup woman after finding her badly injured overnight.
A man known to the woman is in custody assisting with inquiries after police were called to a home about 2.05am amid reports a woman was seriously injured.
Police and paramedics rushed to the scene but the woman died at the scene.
Anyone with information regarding the incident or anyone who saw or heard anything suspicious in the North Dandalup area overnight is asked to call Crime Stoppers on 1800 333 000.
More to come.