Bradford firefighters are among crews from 13 fire stations across West Yorkshire fighting a huge blaze tonight.
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The inferno is raging at an industrial estate near Wakefield - with crews from Bradford fire station, Cleckheaton and Rastrick among those in attendance.
In total, 80 firefighters are said to be battling the flames at a warehouse complex off Dale Street, Ossett.
With thick smoke affecting the area, residents have been warned to keep doors and windows shut.
The emergency services say local road closures will be in place throughout the night.
Power interruptions are also possible, the fire service added.
A fire service spokesperson said: "Building fire with two businesses involved, 1 car workshop and 1 concrete factory. 100% involved in fire. 14 fire and 2 aerial appliances in attendance. 1 aerial ladder platform, 5 large jets and 2 breathing apparatus in use."
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