Arson Squad detectives will investigate following a fatal house fire in Traralgon last night.
Emergency services attended at the Cowell Court address just before 11pm.
The body of a man, still to be formally identified, was found in the house while a second man, also an occupant of the house, was airlifted to a Melbourne hospital.
A crime scene has been established and an arson chemist will attend the site this morning to assist in determining the cause of the fire.
Investigators urge anyone who witnessed the incident or with information to contact Crime Stoppers on 1800 333 000 or file a confidential report online at www.crimestoppersvic.com.au