50 firefighters are tackling a fire at a battery recycling plant in Darlaston, Walsall.
Fire crews were called to Willenhall Road just before 2.30pm.
More to follow.
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Fog patches and extensive low cloud at first will steadily lift and clear.
A murky start with mist and fog then gradually clearing, although some eastern coastal districts may remain cloudier.
Isolated showers should die out through the evening to leave a dry remainder of the night.