No one was injured as a garage fire ignited just behind the Marathon gas station along Main Street in Weirton just after 1 p.m. on Wednesday.
Dark grey smoke could be seen for miles, including off U.S. 22. The building was known as M.A.G. Performance.
Several cars, and at least one motorcycle belonging to customers got trapped inside and are a total loss.
Dozens of people gathered to watch as the roof collapsed and the flames engulfed the building.
Weirton Fire Chief Kevin Himmelrick said the flames spread as quickly as word of them did.