A fire spread to four houses' back gardens in The Crescent, Slough, last night (Saturday) after a propane tank was set alight.
Firefighters say the most likely cause of the fire was a falling firework as the shed next to the tank was not connected to electricity.
Four sheds belonging to four different properties were damaged by the flames.
Two fire crews from Slough Fire Station were called to the scene at 7pm who put out the blaze.
No one was injured.
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