A fire at the British Sugar factory in Bury St Edmunds sparked a huge emergency services response.
Fifteen fire crews were called to the scene of the complex in Hollow Road, near the junction of the A14 and A143.
Firefighters tackled a blaze measuring 30m by 30m that had started in a high-rise building.
Fifteen-fire-crews-attend-blaze-at-sugar-factory-in-Bury-St-
Suffolk Fire and Rescue Service received a callout at 3.50pm on Thursday.
Crews from Bury St Edmunds, Haverhill, Woodbridge, Wickhambrook, Ixworth, Newmarket, Cambridge and Thetford were called to the scene.
Suffolk police and the East of England Ambulance service were also notified of the incident.
A spokesman for the fire service said the blaze started in one of the factory's processing plants and had affected a conveyer belt.
The gas to the plant was isolated while crew members extinguished the fire.
Group Commander Henry Griffin, of Suffolk Fire and Rescue Service, said the firefighters were face with a challenge due to the "complex" layout and size of the factory.
He said: "Shortly before 4pm, crews from Suffolk Fire and Rescue Service were called to deal with a fire at the British Sugar processing plant.
"Working with the British Sugar fire team on site, the fire was rapidly extinguished.
"We are now scaling back."
A stop was called by the fire service at 5.43pm.
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