SYDNEY, May 7 (Xinhua) -- One body has been found and three people, including two children, have been injured critically in a house fire in northern Australia.

Police in Australia's state of Queensland said in a statement on early Wednesday that emergency services were called to reports of a house fire in Harristown, over 100 kilometers west of Brisbane, around 12:30 a.m. local time.

The house was fully engulfed in flames by the time emergency services arrived at the scene, said the police.

The fire has been extinguished and a crime scene has been declared.

Initial Investigation found that two adults and four children were able to escape the property, but a fifth child from the address was unaccounted for, said the police.

A 36-year-old woman and two children were all taken to the hospital with critical injuries while

A 34-year-old man was also hospitalized with serious injuries, said the police.

Australian Broadcasting Corporation (ABC) reported on Wednesday morning that the police found a body after 9 a.m. local time with formal identification of the deceased ongoing.

An investigation into the cause of the fire is ongoing. ■