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Dashcam footage captured the moment an explosion ripped through the area outside the Manchester Arena , leaving 22 people dead and 60 injured.
The footage shows a flash of light coming from the arena at the moment a booming sound can be heard echoing around the city.
A couple of seconds after the sound, the camera’s owner Joe Gregory can be heard saying, “No!”
Mancunian Mr Gregory, 22, tweeted the video shot from his dashcam in a car parked close to the arena in the Deansgate area of the city.
He said on Twitter that his girlfriend was in the arena with a friend, but was unharmed.
“If you look towards the left you see the explosion and hear the bang,” he wrote on Twitter.
“I hope to GOD everyone is ok, and so glad Jess and Em are.”
He said before he shared the footage: “Never felt so scared in my life.”
Mr Gregory explained the time stamp says 9.30 rather than 10.30 when the explosion occurred because it was still set to GMT.
He asked: “Why would anyone fake something like this? My girlfriend was inside!”
Other footage shows people desperately fleeing the venue after the explosion, which is being treated as a suspected terrorist incident.
The concert was reportedly a sell-out in a venue that holds 21,000 people.
The dead and injured were taken to five hospitals across the city, with unconfirmed reports from medical staff of victims having “shrapnel-style wounds” and nuts and bolts found strewn across the arena in the aftermath of the explosion.
Witnesses reported hearing a “huge bang” at the venue shortly after the American pop star had finished her set on Monday evening.
Emergency services including armed police and bomb disposal officers flooded the area in the immediate aftermath of the explosion.
Greater Manchester Police said: “This is currently being treated as a terrorist incident until we know otherwise.”
One fan at the concert with his sister described how the explosion happened as fans were leaving the arena.
Manchester explosion in picturesShow all 37 1 /37Manchester explosion in pictures Manchester explosion in pictures People running down stairs as they attempt to exit the Manchester Arena after a blast, where U.S. singer Ariana Grande had been performing, in Manchester
Twitter/@ZACH_BRUCE/ via REUTERS
Manchester explosion in pictures Helpers attend to people inside the Manchester Arena after a suspected suicide bomber detonated an explosive device at the end of an Ariana Grande concert, killing 22 people
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Manchester explosion in pictures Armed officers guard outside a hotel near the Manchester Arena following reports of an explosion, in Manchester, Britain
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Manchester explosion in pictures Police officers are seen outside the Manchester Arena, where U.S. singer Ariana Grande had been performing, in Manchester, northern England
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Manchester explosion in pictures
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Manchester explosion in pictures
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Manchester explosion in pictures
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Manchester explosion in pictures
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Manchester explosion in pictures Police and fans close to the Manchester Arena, after reports of an explosion
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Manchester explosion in pictures There have been reports of explosions at Manchester Arena where Ariana Grande had performed
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Manchester explosion in pictures Police deploy at scene of explosion in Manchester, England, at a concert in Manchester Arena
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Manchester explosion in pictures Police stand by a cordoned off street close to the Manchester Arena
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Manchester explosion in pictures Police deploy at scene of explosion in Manchester, England
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Manchester explosion in pictures Police deploy at scene of a reported explosion during a concert in Manchester, England, on May 23, 2017. British police said early May 23 there were "a number of confirmed fatalities" after reports of at least one explosion during a pop concert by US singer Ariana Grande. Ambulances were seen rushing to the Manchester Arena venue and police added in a statement that people should avoid the area
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Manchester explosion in pictures An ambulance drives away from the Manchester Arena, where U.S. singer Ariana Grande had been performing, in Manchester
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Manchester explosion in pictures Police escort members of the public from the Manchester Arena in Manchester, England.
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Manchester explosion in pictures A woman sits in the street in a blanket near the Manchester Arena as police guard the area following reports of an explosion, in Manchester, Britain
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Manchester explosion in pictures Two women wrapped in thermal blankets stand near the Manchester Arena, where US singer Ariana Grande had been performing, in Manchester
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Manchester explosion in pictures A Royal Logistic Corps (RLC) bomb disposal robot is unloaded outside the Manchester Arena following reports of an explosion, in Manchester. At least 19 people have been confirmed dead and others 50 were injured, authorities said. It is being treated as a terrorist incident until police know otherwise
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Manchester explosion in pictures A Royal Logistic Corps (RLC) bomb disposal robot is unloaded outside the Manchester Arena following reports of an explosion, in Manchester
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Manchester explosion in pictures Members of the public receive treatment from emergency service staff at Victoria Railway Station close to the Manchester Arena on May 23, 2017 in Manchester, England. There have been reports of explosions at Manchester Arena where Ariana Grande had performed this evening. Greater Manchester Police have have confirmed there are fatalities and warned people to stay away from the area
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Manchester explosion in pictures Armed police after a suspected terrorist attack at the Manchester Arena at the end of a concert by US star Ariana Grande left 19 dead
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Manchester explosion in pictures Emergency services arrive close to the Manchester Arena in Manchester
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Manchester explosion in pictures An amoured police vehicle patrols near Manchester Arena in Manchester
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Manchester explosion in pictures A man carries a young girl on his shoulders near Victoria station in Manchester
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Manchester explosion in pictures Police officers stand at the Miller Street and Corporation Street Crossroads, in front of the Manchester Arena in Manchester, England
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Manchester explosion in pictures Police block a road near to the Manchester Arena in central Manchester, England
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Manchester explosion in pictures Armed police patrol near Victoria station in Manchester, northwest England. Twenty two people have been killed and dozens injured after a suspected suicide bomber targeted fans leaving a concert of US singer Ariana Grande in Manchester
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Manchester explosion in pictures Police forensic officers leave the Manchester Arena as they investigate the scene of an explosion in Manchester
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Manchester explosion in pictures A forensic officer collects evidence on a walkway between Victoria station and Manchester Arena following a deadly terror attack in Manchester,
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Manchester explosion in pictures A woman and a young girl wearing a t-shirt of US singer Ariana Grande talks to police near Manchester Arena following a deadly terror attack in Manchester,
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Manchester explosion in pictures Mayor of Greater Manchester Andy Burnham and Manchester City Council Leader Sir Richard Leese speak to the media outside Manchester Town Hall after a suicide bomber killed 22 people, including children, as an explosion tore through fans leaving a pop concert in Manchester
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Manchester explosion in pictures The media gather behind a police cordon in Manchester
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Manchester explosion in pictures Flowers left close to the Manchester Arena, the morning after a suicide bomber killed 22 people, including children, as an explosion tore through fans leaving a pop concert in Manchester
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Manchester explosion in pictures Ariana Grande concert attendees Karen Moore and her daughter Molly Steed, aged 14, from Derby, leave the Park Inn where they were given refuge after last night's explosion at Manchester Arena
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Manchester explosion in pictures Signs saying 'We love Manchester' are displayed in a window in Manchester, England
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Majid Khan, 22, said: “A huge bomb-like bang went off that hugely panicked everyone and we were all trying to flee the arena.
"It was one bang and essentially everyone from the other side of the arena where the bang was heard from suddenly came running towards us as they were trying to exit."
The Prime Minister will chair a meeting of the Government’s emergency Cobra committee on Tuesday morning, with all campaigning for the general election suspended.
Unnamed intelligence services in the US have claimed the explosion was the work of a suicide bomber, but this is unconfirmed.
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