A man has been fatally stabbed at a home in Melbourne’s west.

The victim was found critically injured on Jackman Crt, Wyndham Vale about 3.15am on Sunday.

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He died at the scene and has not yet been formally identified.

A 39-year-old man was arrested and taken into custody to be interviewed by detectives.

The victim was found critically injured on Jackman Crt, Wyndham Vale about 3.15am on Sunday.The victim was found critically injured on Jackman Crt, Wyndham Vale about 3.15am on Sunday. Credit: 7NEWS The victim was found critically injured at the scene but could not be saved.The victim was found critically injured at the scene but could not be saved. Credit: 7NEWS

Police believe the man and victim are known to each other.

“A crime scene has been established, and the investigation remains ongoing,” Victoria Police said.

Anyone with any information has been urged to come forward.