Firefighters are tackling 50,000 tonnes of waste near Stratford-Upon-Avon.
Fire services were called to Sims Metal Management in Long Marston just after nine o'clock last night.
Fire services from neighbouring counties have been called in to help.
More top news
West Mercia Police are hunting for more information after a 30-year-old man died from an assault in Hereford.
The force has released a number of amusing 101 calls, in a warning to the public over what constitutes as a police matter.
Largely fine and hot but with isolated thunderstorms.