A Department of Fire and Emergency Services spokeswoman says several crews are working to put out the blaze at Precision Automatic Transmissions on Ruse Street, near Hutton Street, in Osborne Park.

A St John Ambulance spokeswoman said one person was injured and crews were still at the scene.

It is not yet clear what kind of injuries the person suffered, but there are reports they have been burnt.

The fire has also caused heavy smoke and people have been warned to avoid the area.