An investigation is under way following a fire at a premises in the Stokes Croft area of Bristol earlier today.
A member of the public called police at just after 2am to report suspicious activity at a premises in King Square.
Officers attended and located a fire within the building.
Avon Fire & Rescue Service were called to the scene and the fire was swiftly put out. No substantial damage was caused as a result.
A man has been arrested on suspicion of causing arson with intent and a cordon remains in place while enquiries continue.