Police are satisfied that they are not looking for anyone else other than those four persons in the house at the time of the fire in relation to the deaths, says Detective Inspector Greg WILLIAMS.
"The matter has been referred to the Coroner and we can make no further comment," he says.
Detective Inspector WILLIAMS says he has met with the families and informed them of the investigation to date and they understand it is now a coronial matter.
The major part of the inquiry has been completed and the majority of the inquiry team have returned to their regular duties.