A historic flour mill in Brisbane has been a destroyed by a blaze believed to be deliberate.
The four-storey building went up in flames about 2.15am (AEST) on Wednesday.
It took eight fire crews more than an hour to get the inferno under control, a Department of Community safety spokeswoman said.
Inspector Steve Flori says it appears the blaze was lit deliberately.
"Two males were seen to leave a secure area of the building," he told ABC Radio.
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The first was between 16 and 18 years of age and was wearing a dark baseball hat, dark shirt and dark trousers.
The other was in his mid-30s with extensive tattoos on his neck and arms, and was wearing a white shirt, Insp Flori said.
The mill, at Albion in Brisbane's inner north, had been earmarked for a major mix-use development.
