Firefighters are battling a blaze at aÂ unit on the Kirk Sandall Industrial Estate in Doncaster after flames were discovered just before 5.15am.
The fireÂ on Sandall StonesÂ Road involvesÂ the Transpoint building, which houses a number of businesses, including a kitchen warehouse and a fencing firm.
The unit was engulfed in flames earlier and plumes of smoke could be seen across Kirk Sandall.
Residents have been urged to keep their door and windows closed as a precaution.
At the height of the blaze there were seven fire enginesÂ at the scene.