Police are investigating a fatal shed fire in Corio on Sunday morning.
Emergency services were called to the Officer Court property just after 10.30am.
It’s believed at this early stage four children were in the shed when it caught fire.
Two children, who are yet to be formally identified, died at the scene.
The other two children, also yet to be formally identified, have been airlifted to hospital in a critical condition.
The exact cause of the fire is yet to be determined but is not being treated as suspicious at this stage.
Police will prepare a report for the coroner.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or online at www.crimestoppersvic.com.au