Police are investigating the circumstances surrounding a house fire which occurred in Tyaak last night.
Emergency services were called to Cunninghams Road about 11.40pm.
Initial reports were that at least 13 people were at the property with 11 people taken to hospital with injuries.
Two people are yet to be accounted for.
The exact circumstances surrounding the fire are yet to be determined and a crime scene has been established.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au.