Homicide Squad detectives are investigating the circumstances following a fatal stabbing in Prahran this morning.
It is understood there was a physical altercation outside a licensed premises on Chapel Street about 1.30am.
Police were told a group of male offenders assaulted a 30-year-old man, then chased him further down the street.
The Mickleham man sustained multiple stab wounds outside another licensed premises on Chapel Street.
He was treated by emergency services at the scene but died when transported to hospital.
Police seized what is believed to be a firearm or imitation firearm, which was found in the vicinity of the scene and will investigate whether it's linked to the incident.
No arrests have been made at this stage and investigations remain ongoing.
Detectives are appealing for anyone who was in the busy area at the time of the incident who may have information to come forward.
Anyone who witnessed the incident, has CCTV/dashcam footage or information is urged to contact Crime Stoppers on 1800 333 000 or www.crimestoppersvic.com.au
