West Australian police are investigating the death of an 18-year-old woman in Perth's southern suburbs, with a 17-year-old boy speaking to detectives.
Police say the woman attended a medical centre in Spearwood on Tuesday afternoon with a serious injury.
She was treated by staff before being taken by ambulance to Fiona Stanley Hospital, where she later died as a result of her injuries.
Homicide detectives are at a home in Spearwood and a 17-year-old boy is assisting investigators with their injuries, WA Police said on Wednesday.
Anyone with information is asked to contact CrimeStoppers.
