(Photo: Queensland Police Service.)
Police are treating a fire, which destroyed a demountable building at Kingsthorpe, as suspicious.
The blaze broke out in the building at Zimms Corner on the Warrego Highway at just before 4:30 this morning.
The demountable sustained significant flame, smoke and water damage in the fire.
Anyone with dash cam footage, who passed through the area between 4 and 5 this morning, are being urged to contact police.