A pallet of industrial extractor fans caught fire at a derelict building in Burnley on Saturday.
The incident happened in Princess Way at around 7.10pm, with four fire engines sent to extinguish the blaze.
Crews were in attendance for around 35 minutes.
It is the second pallet fire to have happened in the town in two days after a pallet of hand sanitiser goods caught fire in the yard of a business on Hargher Street on Friday.
A similar incident also happened in Blackburn on Saturday when a fire involving a mattress and pallets inside a derelict building broke out.
IN response to the latest incident, a fire service spokesperson said: "Four fire engines from Bacup, Burnley, and Nelson attended a fire involving a pallet of industrial extractor fans in a derelict building.
"Firefighters used two hose reel jets, two Milwaukee lights, and a thermal imaging camera to extinguish the fire.
"Crews were in attendance for approximately 35 minutes."
The fire service confirmed the incident will be subject to an investigation.
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