Firefighters spent six hours tackling a blaze at a garage in Doncaster last night and into the early hours of this morning.
The fire was discovered at commercial premises on Doncaster Road, Harlington, at around 7.30pm.
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At the height of the blaze there were six engines and 30 firefighters at the scene.
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They left at around 1.50am.
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An investigation into the cause of the blaze is now underway.
A spokeswoman for South Yorkshire Fire and Rescue said: "Upon arrival, crews found the commercial garage to be fully involved in the fire but a cause will not be determined until a full investigation in to the incident has taken place.
"Fire crews began to damp down and leave the scene at roughly 1.50am.
"A multi-agency investigation into the cause of the fire will now take place."