The fire has now been put out. Fire crews will remain on site damping down the blaze.
Around 70% of the building has been destroyed and electricity supplies have been cut off for safety purposes.
The cause of the fire is not yet known.
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A dull and damp day, with cloudy skies and further outbreaks of rain, locally heavy during the morning.
It will be a cloudy day across the West Midlands with showery outbreaks of rain, possibly heavy in places
Low levels of pollen today and tomorrow.