Manchester attack: 22 dead and 59 hurt in suicide bombing
Image copyright Peter Byrne Image caption
Twenty-two people, including children, have been killed and 59 injured in a suicide attack at Manchester Arena.The blast happened in the foyer at 22:35 BST on Monday at the end of a concert by US singer Ariana Grande.
Police said the lone male attacker, who died in the blast, detonated an improvised explosive device.
Relatives are using social media to hunt for missing loved ones, and an emergency number, 0161 856 9400, has been set up.
Sixty ambulances attended the incident and those wounded are now being treated at six hospitals around the city.
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He said the "fast-moving investigation" was now working to establish whether the attacker "was acting alone or as part of a network".
Eyewitnesses described seeing metal nuts and bolts among the debris, and spoke about the fear and confusion that gripped the concert-goers.
Andy Holey, who had gone to the arena to pick up his wife and daughter, said: "An explosion went off and it threw me about 30ft from one set of doors to the other set of doors.
"When I got up I saw bodies lying on the ground. My first thought was to go into the arena to try to find my family."
Emma Johnson said she and her husband were at the arena to pick up her children, aged 15 and 17.
"We were stood at the top of the stairs and the glass exploded - it was near to where they were selling the merchandise," she told BBC Radio Manchester.
"The whole building shook. There was a blast and then a flash of fire afterwards. There were bodies everywhere."
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"We were just trying to figure where everyone was. It was absolutely terrifying."
Charlotte Campbell's daughter Olivia has been missing since the concert.
"She's only a 15-year-old girl, she's out there on her own because her friend has been found," she told the BBC.
"If anyone sees her contact me. Give her your phone and let her ring me. I just want her home."
Analysis: Gordon Corera, BBC security correspondentThe UK threat level has been has been judged to be severe for nearly three years - which means an attack is considered highly likely.
But in recent months the tempo of counter terrorist activity has been increasing with - on average - an arrest every day.
After the attack in Westminster by Khalid Masood in March, police and security officials have been warning that further attacks were almost inevitable.
But they also believed that those were more likely to be low-tech involving knives or vehicles. The fact that the Manchester attack involved explosives will worry them.
It may not have been at the level of complexity seen in Paris in 2015, when multiple attackers sent from Syria used guns and suicide belts, but it will still have required planning to make an improvised explosive device.
- The explosion happened shortly after Ariana Grande left the stage as concert-goers began heading to the exits
- The 23-year-old teen actress-turned-singer, who has a strong following among teenage girls and children, tweeted: "broken. from the bottom of my heart, i am so so sorry. i don't have words"
- Home Secretary Amber Rudd said it was "a barbaric attack, deliberately targeting some of the most vulnerable"
- The prime minister is to chair a meeting of the government's emergency Cobra committee at around 09:00 BST
- Flags are flying at half mast in Downing Street and political parties have suspended general election campaigning.
- London Mayor Sadiq Khan said the police presence in the capital would be stepped up
- World leaders have expressed solidarity with the UK, including French president Emmanuel Macron, who called it "a murderous attack".
Police have established a help centre at the Etihad Stadium, access Gate 11, for anyone who needs assistance in tracing loved ones.
Twitter has been flooded with appeals from relatives and friends of missing concertgoers via the hashtag #MissingInManchester.
Facebook also activated a safety check feature so that people can let their family and friends know they are safe.
The blast happened close to the entrance to Victoria railway and tram station. The station has been closed and all trains cancelled.
Police also carried out a precautionary controlled explosion in the Cathedral Garden area of the city at about 01:32. The force later confirmed it was not a dangerous item.
Greater Manchester Mayor Andy Burnham said the city would "pull together", adding: "That's what we are. That's what we do. They won't win."
The Manchester Arena or MEN is the city's largest indoor venue with a concert capacity of around 21,000.
Police are encouraging anyone with footage from the scene to upload it at ukpoliceimageappeal.co.uk or ukpoliceimageappeal.com. Other information can be reported to the anti-terrorist hotline on 0800 789 321.
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The explosion happened in the foyer of the Manchester Arena after a concert by US singer Ariana Grande; children are among those killed.
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