Eyewitnesses have told ITV News Central a number of loud explosions could be heard from the fire at G&P batteries in Darlaston, Walsall.
50 firefighters are currently tackling the blaze on Willenhall Road.
More top news
Birmingham's Chinese community is set to benefit from having its own liaison police officer.
Mainly dry and cloudy. Perhaps brighter in the far south.
Staying cloudy but mostly dry.