Police are currently on scene at a fatal fire in Langwarrin.
Emergency services were first called the blaze at a residence on Lyppards Road about 2.10am.
Three occupants were able to safely evacuate the property and escaped with no injuries.
A fourth yet-to-be formally identified person was located deceased inside a rear bungalow.
The exact cause of the fire is yet to be determined.
An arson chemist will attend the scene later today.
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.
