Geograph - photograph every grid square

When I first noticed it mid-morning from street level I thought for a moment from the size of it that it was an unusual cloud formation. Photos appeared among NextDoor messages; the Warwick Courier website had a brief report; the BBC Coventry & Warwickshire news page reported that the fire service was dealing with a blaze and explosions at Leeson Polymers. Link The address given, Juno Drive, was perhaps where the fire service was working from. The company's website ("temporarily closed") gives its address as Hermes Close, a winding drive serving a number of medium-sized units on an industrial estate off Tachbrook Park Drive.