Emergency services rushed to a home in Quakers Hill, Sydney, just before 5 am on Sunday after reports of a disturbance. Police found a woman in her 30s dead inside the house. Nearby, on the footpath, they found a man of similar age with stab wounds. The wounded man was taken to Liverpool hospital but later died. About 30 minutes after the police arrived, a 47-year-old man went to Blacktown police station and was arrested. Police stated, "A crime scene has been established, and detectives have commenced an investigation into the circumstances surrounding the incident." The investigation is continuing.