A 21-year-old man from the South West has been charged with murdering a 30-year-old woman.
Police were called to a home on King Street in Moora around 1am on Sunday and found the woman injured.
She was taken to Moora Hospital in a critical condition before being flown to Royal Perth Hospital where she later died.
Police later arrested a 21-year-old man from Northcliffe after an investigation into the death was launched.
He is due to appear in the Perth Magistrates Court today.