A Featherstone shop burst into flames after a cylinder explosion on Saturday afternoon.
Fire crews from Pontefract, Castleford and Normanton were called to Green Lane Convenience Store at around 2.20pm.
A fire service spokeswoman said an acetylene cylinder exploded leaving the shop destroyed.
She added firefighters spent about four hours at the scene to prevent the blaze from spreading.
No-one was injured in the incident and enquiries as to the cause of the fire remain ongoing.