MANCHESTER, ENGLAND - Police and fans 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. (Photo by Dave Thompson/Getty Images)
    MANCHESTER, ENGLAND - Police and fans 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. (Photo by Dave Thompson/Getty Images)

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      MANCHESTER, ENGLAND - Police and fans 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. (Photo by Dave Thompson/Getty Images)

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    How it happened

    An explosion ripped through a crowd of people leaving an Ariana Grande concert in Manchester, England. The deadliest attack on British soil since the 2005 London bombings has left a country in mourning and police searching for answers. What we know, what we don't

    Key developments

    • Police name Manchester bomber as 22-year-old Salman Abedi
    • Several people have been arrested in connection with the attack
    • Children are among the 22 dead; dozens are injured
    • Ariana Grande has suspended her tour
    • Attack carried out by one man who died on scene, police say
    • Get the latest developments | Full story