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.
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Sunday will see a generally fine day with sunny spells. Fresher than of late.
Sunday to start with cloud and sunny spells.
Officers were called to the incident in Leicester last night.