A 63-year-old man has been arrested after a woman was killed in Melbourne's south-west overnight.
Emergency services responded to reports that a woman was stabbed at a home at Wood Duck Court in Langwarrin about 6.30am.
The yet-to-be-formally identified woman died at the scene.
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Officers arrested a 63-year-old man at the home, who is known to the woman.
A crime scene has been established while detectives investigate to determine the circumstances surrounding the death.
Anyone who witnessed the incident, with dashcam/CCTV footage or information is urged to contact Crime Stoppers on 1800 333 000.
National Sexual Assault, Domestic Family Violence Counselling Service 1800RESPECT (1800 737 732).
