A man has been stabbed to death during a fight in Melbourne's west, with detectives launching a homicide investigation to find his killer.
Police say two groups of people were involved in a physical altercation in Wyndham Vale about 9.45pm on Friday.
An 21-year-old local man died at the scene.
Homicide detectives are investigating but circumstances surrounding the incident have not yet been established and no one has been taken into custody.
Anyone with information or footage of the fight is urged to contact Crime Stoppers.
