Fire investigators have deemed a recent house fire in Thornton as deliberately lit.
The Singleton Avenue home went up in flames just before 3am Saturday.
Six occupants fled the burning home before it was destroyed by the blaze.
Police said the fire broke out near the front door which led investigators to believe it was deliberately lit.
No motive has been established and police are calling for information about the incident.
Information should be reported to Crime Stoppers on 1800 333 000.