Firefighters are battling a west-end blaze at Air-O-Systems on Sandwich street. The fire is located between The Tilson Armouries and the West End Water Treatment Plant.
Police have blocked car traffic from traveling down Sandwich.
Windsor Fire was notified of the blaze by on-site employees at around 4:45pm. Air-O-Systems works with paint and sandblasting products. Officials on scene advice nearby residents to stay indoors and keep windows closed.
There is no word yet on the extent or value of damage nor of any injuries.