At peak, more than 140 firefighters were tackling the blaze at Speedibake, on Westgate Retail Park. We've gathered together some of the most powerful photos from the weekend.
7. Historic site
The Speedibake factory, pictured in 2012, has stood for more than 40 years. Photo: Google Maps
8. Seen from afar
This photo was taken close to the Merchant Gate development, and shows the impact of the fire on the city. Photo: Eric Johnson
9. Up close and personal
This still, taken from a video by David Bodden, shows fire crews tackling the blaze at the factory. Photo: David Bodden
10. Blanket of smoke
This shot, captured later in the afternoon, shows smoke drifting across the city. Photo: David Spereall
11. A dark plume
Another shot, captured in Thornes Park, shows smoke rising above the city. Photo: Tony Tabner
12. City in lockdown
Police closed roads across the city centre in an attempt to keep residents from harm. Photo: Headless Horseman