It took firefighters around 18 hours to put out a fire that broke out in a derelict building in Peterborough on Tuesday afternoon.
Crews were called to the old Potter & Moore building in Mancetter Square, Werrington, at around 2:30pm.
Around half the building was affected by the fire, but no-one was hurt.
Crews managed to stop the fire from spreading by pouring water on the flames from above.
The fire burnt for most of the night before it was eventually extinguished at around 8:30am on Wednesday morning.
An investigation has determined that the cause of the fire was accidental, caused by a cutting torch which is used to cut metal.
Firefighters have now left the scene but crews will be going back at certain times to check for any remaining hot spots.
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