A caravan and a car went up in flames in a fire that later spread to a house.
Emergency services were called to the house on Kokoda Street in Darra, south-west Brisbane, about 2am on Wednesday.
A short time later the fire spread to a house, with firefighters battling the blaze for at least half an hour before it was brought under control.
Neighbors were awakened by a series of explosions Courier mail reports.
Emergency services were called to the house on Kokoda Street in Darra, south-west Brisbane, at around 2am on Wednesday (image)
No injuries have been reported.
A crime scene has been cordoned off and an investigation has begun.
Anyone with information, CCTV or dashcam footage that could assist the investigation is asked to contact police.
More to come.