A babysitter is believed to have died in a house fire, with police discovering a second body at the burnt remains of a home east of Brisbane.
Emergency services rushed to Bayside Court in the small coastal community of Thorneside on Sunday morning to find the townhouse ablaze.
Up to 30 firefighters worked to extinguish flames so intense they caused part of the roof to collapse.
Neighbours rushed to help and tried to get people out but Detective Inspector Paul Dalton said it was a "futile effort".
While an eight-year-old girl was found dead inside the home, the 31-year-old woman who was babysitting was declared unaccounted-for as police could not get full access to the home.
But on Monday, police found the body of another person, believed to be the missing woman.
A third person, who was a family friend living in the garage, was treated for smoke inhalation and taken to hospital in a stable condition.
The parents of the girl were interstate at the time of the blaze and have since been informed of the tragedy.
"They are obviously devastated. They've been offered support by police and they will continue to go through that," Det Insp Dalton said.
It will remain "undetermined" whether the blaze is suspicious until officers can enter the home and identify the cause.
"There's nothing to say that this fire is suspicious in any way, but we will treat it as though it is until we make a determination one way or another," he said.
Emergency services remained at the scene on Monday to try to stabilise the home so police investigators can enter.
"We've had structural collapse, so we have a technical rescue crew unit and aerial crew working now to stabilise the upper level, remove roof tiles so we can start the investigation," Queensland Fire Department Acting Superintendent Marck Burchard said.
Any neighbours who witnessed the tragedy are urged to reach out for help.
"These sorts of incidents even for seasoned police, fires and ambos are traumatic," Det Insp Dalton said.
"I can only imagine what it's like for someone who's not exposed to that normally."
Tributes have been laid near the home for the girl, including one card that read: 'Fly high beautiful girl."
The girl's great-aunt has set up a GoFundMe to help the family after the "terrible tragedy".
Redlands City Council Mayor Jos Mitchell said it was a "deeply upsetting" incident for the community.
"It is important during difficult times that we pull together in support," she said.
Local MP Don Brown said his thoughts are will the family and community.
A postmortem and scientific examination will be conducted to confirm the identities of the deceased.
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