A fire's broken out at a business at Wingfield, north of the city.
A number of gas cylinders exploded at an industrial property on South Terrace after 9am.
The flames spread to a number of cars and the MFS are on the scene.
It's understood at least one person has minor burns.
With a large plume visible over the northern suburbs, locals are being told to close their doors and windows until the smoke has passed.