A fire has engulfed about 40 lorry trailers at a household appliance factory in Peterborough, sending a huge plume of smoke into the sky.
The black smoke could be seen from miles around the Hotpoint site in Shrewsbury Avenue.
Cambridgeshire Fire and Rescue Service said eight crews and 40 firefighters were tackling the blaze.
Witnesses reported hearing explosions after the blaze began shortly before 19:00 BST.
Police said no-one had been injured but emergency services expect to be dealing with the blaze “late into the night”.
The fire service posted images showing about eight trailers completely gutted by fire at 21:00, about two hours after they were called.
Group commander Karl Bowden said: “We’ve got approximately 40 lorry trailers on fire. These lorry trailers are full of parts for washing machines and fridges.
“There is no risk to the public outside of this immediate area.
“We are on top of it, we are controlling the fire, and we hope to have it under control and extinguished within the next few hours.”
People have been told to avoid the area and nearby residents advised to keep their windows and doors closed.
Temporary road closures have been put in place in Shrewsbury Avenue, Morley Way and Celta Road.