At its height 45 firefighters tackled the blaze at a factory off Enterprise Way after a number of loud bangs were reported around lunchtime, caused by gas cylinders exploding.
BBCCopyright: BBC
Nobody was injured at the factory, which produces rubber matting, but train services were disrupted by the large smoke flume and a number of roads were closed.
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Video caption: Drone footage of fire in DerbyDrone footage of fire in Derby
Watch: Today's weather for the East Midlands
Rich Davis
BBC Weather presenter
We're in for another cracker of a day with plenty of sunshine.
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Video caption: Weather for the East Midlands on Tuesday 23 April 2019.Weather for the East Midlands on Tuesday 23 April 2019.
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Nick Smith and Amy Woodfield
All times stated are UK
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BBCCopyright: BBC Video caption: Drone footage of fire in DerbyDrone footage of fire in Derby 
Video caption: Weather for the East Midlands on Tuesday 23 April 2019.Weather for the East Midlands on Tuesday 23 April 2019. 
Latest PostMan arrested after woman's body found in Leicester fire
Gavin Bevis
BBC News
A man has been arrested after a woman was found dead in a burning building in Leicester.
A murder investigation was opened after Leah Fray, 27, was discovered by firefighters tackling a blaze at a property in Mere Road on Saturday night.
Leicestershire Police said a 56-year-old man was arrested in Barwell yesterday evening in connection with her death.
The force has renewed its appeal for anyone with information to come forward.
Murder arrests after Chaddesden death
Liam Barnes
BBC News
Six people have been arrested following the death of a man found injured in a car park.
The man was discovered near Chaddesden Park on Saturday and died soon after being taken to hospital.
Derbyshire Police said two 19-year-old men and a 21-year-old woman had been arrested on suspicion of murder.
A 16-year-old girl, a 19-year-old man and a 26-year-old man had also been arrested on suspicion of assisting an offender.
A 16-year-old boy arrested on suspicion of murder over the weekend has been released without charge.
Latest updates: East Midlands Live
The latest news, sport, travel and weather for the East Midlands.
Catch upCause of factory fire still to be established
East Midlands Today
Investigations are continuing into a series of explosions and a fire that shut off part of Derby yesterday.
At its height 45 firefighters tackled the blaze at a factory off Enterprise Way after a number of loud bangs were reported around lunchtime, caused by gas cylinders exploding.
Nobody was injured at the factory, which produces rubber matting, but train services were disrupted by the large smoke flume and a number of roads were closed.
Video content
Watch: Today's weather for the East Midlands
Rich Davis
BBC Weather presenter
We're in for another cracker of a day with plenty of sunshine.
Video content
Six more arrests in murder investigation
The man was found near Chaddesden Park in Derby and died later in hospital.
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Read moreGas cylinders explode in factory blaze
Police say the fire at a commercial building in Derby is not thought to be suspicious.
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Read moreLolley score twice as Forest beat Boro
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Read moreMurder probe over flat fire body
Fire crews tackling the blaze found the body of 27-year-old Leah Fray inside the building.
Read more