Homicide Squad detectives are investigating the death of a man in Berwick early on Sunday, 26 March.
Emergency services were called after a man was dropped off at Casey Hospital with life-threatening injuries about 7.30am.
He was treated at the scene, but later passed away.
The male victim is yet to be formally identified.
The exact circumstances surrounding the incident are yet to be determined.
Police are keen to speak to anyone who may have any information about the man’s death or the circumstances surrounding it.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at crimestoppersvic.com.au