Three dead in Qld house fire

A man and two children have died in a house fire north of Brisbane.

A woman and another child have been taken to hospital after the fire, which is being treated as suspicious.

The Kingaroy home was engulfed in flames when emergency services arrived on Saturday afternoon.

"The house continues to smoulder and is too hot for police to conduct a full inspection of the premises in order to ascertain the cause," police said.

A crime scene has been established and detectives, forensic officers and fire specialists are investigating.