The Walkers Crisps factory in Leicester has been evacuated due to a fire.
Nine different fire crews are at the scene after the alarm was raised shortly before 11am today.
A fire service spokesperson told Leicestershire Live no casualties have been reported, but its welfare vehicle is in attendance.
Smoke can be seen billowing from the roof of the building.
A Walkers spokesperson said: “Our Bursom Road site in Leicester was safely evacuated this morning due to a fire on the roof of the building.
"The fire has now been brought under control and the fire brigade remains on site as a precautionary measure. Everybody on site has been accounted for.”
It comes as Walkers said it was "working round the clock to get back to capacity" amid a nationwide shortage of some Walkers products.
The snack giant was struggling to make enough snacks to satisfy customer demand because of technical problems following a major IT upgrade.
A spokeswoman confirmed that multipacks of cheese and onion crisps, baked ready salted, Quavers, Wotsits and French Fries had all been affected.
In September PepsiCo said it had completed a £14 million upgrade of the Southern Region Distribution Centre in Beaumont Leys – its largest UK distribution site - including “state-of-the-art equipment and technology” to increase storage capacity at the warehouse site by 29 per cent.
Live updates about the factory fire can be found here.
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