More than 800 people are employed at the 200-acre Rolls-Royce site at Ansty, near Coventry.
The factory handles the refit and repair of their aeroplane and marine engines. The company's Trent series of civil aviation engines components are also manufactured on the site.
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For those looking to get the train home from work tonight be aware that there could be severe delays to trains out of London Euston.
Wintry showers with a risk of ice tonight.
Showers, wintry on hills, with a brisk wind Friday.