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

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Witness: It was a really big explosion

A witness to the incident at Manchester Arena in England says it appeared to be a big explosion at an Ariana Grande concert.

Witness: It was a really big explosion

A witness to the incident at Manchester Arena in England says it appeared to be a big explosion at an Ariana Grande concert.