BBC News Online readers who witnessed Tuesday's explosion in Glasgow have described "terrifying" scenes of "mayhem".
Rescuers carry a victim from the scene
"It was really scary. I felt sick and terrified," said Yvonne McKenzie Taylor, who lives in a block of flats directly behind the Stockline Plastics building in Grovepark Street, where the explosion occurred.
"I heard a loud bang and the whole building shook. At first we thought it was an earthquake or perhaps a lorry had run into the building.
"When I looked out the window I saw a huge cloud of brown smoke rise into the air like a mushroom.
"When it had settled I saw that the factory had been demolished," she said.
Stephen Anthony told BBC News Online in an email that he was at work in the Jaguar factory opposite when he heard the explosion.
"I tried to help some of the injured but when the fire brigade arrived I was advised to stand clear," he said.
"I could hear people screaming underneath the rubble. It was a horrible experience."
Colin Smith was in a shop close to the factory when the blast happened.
He said: "The shock was tremendous, the whole building shook, and then came the terrible noise."
"We felt it before we heard or saw anything. Then we watched as the cloud of debris approached.
"Everything happened so slowly. Some of us began making our way out of the shop.
"The ground was covered in shards of glass, and when the dust began to settle we could see the remains of the factory - a pile of rubble with the collapsed roof perched on top of it at an angle.
"People came running out of the adjacent car showroom and the other shops.
"A few people began to climb up the rubble to look for trapped survivors. I saw one man coming out from under the rubble, bleeding from the head. It was mayhem," he said.
Russell Johnston was at the nearby Q8 petrol station when there was "an enormous explosion".
"The windows shook and the ground seemed to jerk.
"I know now what an earthquake must be like," he said.
David Erskine, who also lives on Grovepark Street said: "My entire block shook, it sounded like a huge clap of thunder except you could feel the shock waves."
Were you a witness to the explosion? Send us your experiences using the form at the bottom of the page.
Your eyewitness accounts:
Many thanks to our Emergency service for the quick response to today's events - they are worth ever penny and more. My thoughts go out to all those affected by today's blast I am sure all Scotland is thinking and praying for you all.
Cameron P, Paisley
I stay under a half mile away from the blast. My whole house shook the moment of the explosion. I have never experienced anything like it in my life. My thoughts are with those people trapped & the family of those so unfortunately killed. It is so sad.
Jayson Anderson, Glasgow
I work up the street and the we thought that the explosion was our building, we went to look and see what had happened after the explosion at 11.58am and their was only one wall of the building still standing at the plastics factory and there were people sitting and lying on the ground with head injuries and breathing difficulties, being attended to by the nurses and doctors from Woodside health centre. My thoughts go out to all those injured and their families/friends and the fireman/nurses/doctors helping.
I was shopping in Lidl about 20-odd yards away and was nearly at the checkout when there was a massive explosion. At first I thought that it had been in the Iceland store next door, but when we got outside I could see that it had been the plastics factory. The roof had been ripped off and the main outer walls facing the car park were semi-demolished; there were also large chunks of brickwork strewn across the car park. There was no sign of fire or burning smoke, but we could hear people screaming from inside.
Mike Cobley, Glasgow
I live on Grove park St, 150 yards from the factory. My entire block shock, it sounded like a huge clap of thunder except you could feel the shock waves, when I ran down to see what had happened the entire place was thick with dust, it looked like the building had been hit by an earthquake.
David Erskine, Glasgow, Scotland
I was at work in the Jaguar factory opposite, when heard the explosion. I tried to help some of the injured but when fire brigade arrived and I was advised to stand clear. I could hear people screaming underneath the rubble it was a horrible experience.
Stephen Anthony, Glasgow, Scotland
I was being served at the checkout in one of the shops adjacent to the factory when the building exploded. The shock was tremendous - the whole building shook - and then came the terrible noise. We watched as debris landed across the car park and then came clouds and cloud of dust. We hung back, not sure what to do, and then some of us began making our way out the shop, and the rest quickly followed.
We had to pick our way though the car park, which was still full of dust and smoke. The ground was covered in shards of class, and when the dust began to settle we could see the remains of the factory - a pile of rubble with the collapsed roof perched on top off it at an angle. People came running out of the adjacent car showroom and the other shops. A few people began to climb up the rubble to look for trapped survivors, some passing police were there within minutes and then the firemen and ambulances arrived. It was mayhem.
Colin Smith, Glasgow
We knew something was wrong when a fleet of emergency service vehicles came screaming past our office in Paisley, over 10 miles from where the explosion happened.
I had just left the sports centre a few hundred yards away and heard a massive explosion. I couldn't believe what I saw at the factory. My sympathy goes out to all involved and affected by this terrible accident.
David McIntosh, Glasgow, Scotland
I was walking my dog at around midday when I heard the explosion, I could hear people screaming and seen some men running out of the building - it was horrific.
Anthony Reilly, Glasgow, Scotland
Heard the blast from around two miles away and the air has been awash with the sound of sirens since.
Cameron Borland, Glasgow
I live about three miles from the site of the explosion in a flat on a hill overlooking the city. I felt the explosion from here as a heavy rumble, and looking out my window could see an enormous brown cloud of smoke rising.
Terri Geis, Glasgow
The blast almost put my lounge in and I stay half a mile away.
Mark Russell, Glasgow
Such an incident proves the impending closure of the Victoria Infirmary A & E in the south side of Glasgow will be dangerous to the city. A city of this size requires several emergency care departments in order to cope, not only due to a large-scale situation but for day to day needs. With love to all affected.
Amanda, Glasgow, UK
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