Homicide Squad detectives have arrested a man following the death of another man in St Kilda last night.
Emergency services were first called to reports of a fire at a property on Chapel Street about 8.40pm.
A man was located with critical injuries inside the property, where he died a short time later.
He is yet-to-be formally identified.
This afternoon, detectives executed a search warrant at a property in St Kilda.
A 30-year-old man was arrested and is expected to be interviewed in relation to the incident.
The investigation remains ongoing.
Anyone who witnessed anything suspicious, has CCTV, dashcam footage or any other information that could assist investigators is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au