Firefighters were called to put out a blaze at an industrial estate in Clitheroe.
The incident happened at around 9pm on Saturday on Lincoln Way.
Five fire engines and an aerial ladder appliance from Lancashire Fire and Rescue Service attended the fire at a commercial property.
A Lancashire Fire and Rescue spokesperson said: “The fire involved five cars and had spread to the building.
“Firefighters used two breathing apparatus, two 45mm jets, one hose reel, one hose reel jet, and a dry powder fire extinguisher to extinguish the fire.
"Crews remained on the scene for four hours.”
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