BRITAIN-SECURITY/MANCHESTER(01 of32)
Open Image ModalA police officer talks to locals outside the Manchester Arena, where U.S. singer Ariana Grande had been performing, in Manchester, northern England, Britain May 22, 2017. REUTERS/Jon Super (credit:Stringer . / Reuters)
BRITAIN-SECURITY/MANCHESTER(02 of32)
Open Image ModalA police officer stands outside the Manchester Arena, where U.S. singer Ariana Grande had been performing in Manchester, northern England, Britain May 22, 2017. REUTERS/Jon Super (credit:Stringer . / Reuters)
BRITAIN-SECURITY/MANCHESTER(03 of32)
Open Image ModalPolice officers are seen outside the Manchester Arena, where U.S. singer Ariana Grande had been performing, in Manchester, northern England, Britain May 22, 2017. REUTERS/Jon Super (credit:Stringer . / Reuters)
BRITAIN-SECURITY/MANCHESTER(04 of32)
Open Image ModalArmed police officers are seen outside the Manchester Arena, where U.S. singer Ariana Grande had been performing, in Manchester, northern England, Britain May 22, 2017. REUTERS/Jon Super (credit:Stringer . / Reuters)
BRITAIN-SECURITY/MANCHESTER(05 of32)
Open Image ModalPolice officers are seen outside the Manchester Arena, where U.S. singer Ariana Grande had been performing, in Manchester, northern England, Britain, May 22, 2017. REUTERS/Jon Super (credit:Stringer . / Reuters)
BRITAIN-SECURITY/MANCHESTER(06 of32)
Open Image ModalArmed police officers stand next to a police cordon outside the Manchester Arena, where U.S. singer Ariana Grande had been performing, in Manchester, northern England, Britain, May 23, 2017. REUTERS/Andrew Yates TPX IMAGES OF THE DAY (credit:Andrew Yates / Reuters)
BRITAIN-SECURITY/MANCHESTER(07 of32)
Open Image ModalAn ambulance drives away from the Manchester Arena, where U.S. singer Ariana Grande had been performing, in Manchester, northern England, Britain, May 23, 2017. REUTERS/Andrew Yates (credit:Andrew Yates / Reuters)
BRITAIN-SECURITY/MANCHESTER(08 of32)
Open Image ModalTwo women wrapped in thermal blankets stand near the Manchester Arena, where U.S. singer Ariana Grande had been performing, in Manchester, northern England, Britain, May 23, 2017. REUTERS/Andrew Yates (credit:Andrew Yates / Reuters)
BRITAIN-SECURITY/MANCHESTER(09 of32)
Open Image ModalVehicles are seen near a police cordon outside the Manchester Arena, where U.S. singer Ariana Grande had been performing, in Manchester, northern England, Britain, May 23, 2017. REUTERS/Andrew Yates (credit:Andrew Yates / Reuters)
BRITAIN-SECURITY/MANCHESTER(10 of32)
Open Image ModalPeople sit by the side of the road next to a police cordon outside the Manchester Arena, where U.S. singer Ariana Grande had been performing, in Manchester, northern England, Britain, May 23, 2017. REUTERS/Andrew Yates TPX IMAGES OF THE DAY (credit:Andrew Yates / Reuters)
BRITAIN-SECURITY/MANCHESTER(11 of32)
Open Image ModalArmed police officers stand next to a police cordon outside the Manchester Arena, where U.S. singer Ariana Grande had been performing, in Manchester, northern England, Britain, May 23, 2017. REUTERS/Andrew Yates (credit:Andrew Yates / Reuters)
BRITAIN-SECURITY/MANCHESTER(12 of32)
Open Image ModalPolice are seen outside the Manchester Arena in northern England where U.S. singer Ariana Grande had been performing in Manchester, Britain, May 22, 2017. REUTERS/Jon Super (credit:Stringer . / Reuters)
BRITAIN-SECURITY/MANCHESTER(13 of32)
Open Image ModalPolice vans and ambulances are seen outside the Manchester Arena in northern England where U.S. singer Ariana Grande had been performing in Manchester, Britain, May 22, 2017. REUTERS/Jon Super (credit:Stringer . / Reuters)
BRITAIN-SECURITY/MANCHESTER(14 of32)
Open Image ModalA police van and an ambulance are seen outside the Manchester Arena, where U.S. singer Ariana Grande had been performing, in Manchester, northern England, Britain May 22, 2017. REUTERS/Jon Super TPX IMAGES OF THE DAY (credit:Stringer . / Reuters)
BRITAIN-SECURITY/MANCHESTER(15 of32)
Open Image ModalPolice set up a cordon outside the Manchester Arena in northern England where U.S. singer Ariana Grande had been performing in Manchester, Britain, May 22, 2017. REUTERS/Jon Super TPX IMAGES OF THE DAY (credit:Stringer . / Reuters)
BRITAIN-SECURITY/MANCHESTER(16 of32)
Open Image ModalConcert goers react after fleeing the Manchester Arena in northern England where U.S. singer Ariana Grande had been performing in Manchester, Britain, May 22, 2017. REUTERS/Jon Super (credit:Stringer . / Reuters)
BRITAIN-SECURITY/MANCHESTER(17 of32)
Open Image ModalConcert goers react after fleeing the Manchester Arena in northern England where U.S. singer Ariana Grande had been performing in Manchester, Britain, May 22, 2017. REUTERS/Jon Super (credit:Stringer . / Reuters)
Police Respond To An Incident At Manchester Arena(18 of32)
Open Image ModalMANCHESTER, ENGLAND - Emergency services 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) (credit:Dave Thompson via Getty Images)
Police Respond To An Incident At Manchester Arena(19 of32)
Open Image ModalMANCHESTER, ENGLAND - Emergency services 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) (credit:Dave Thompson via Getty Images)
Police Respond To An Incident At Manchester Arena(20 of32)
Open Image ModalMANCHESTER, ENGLAND - A person is wheeled away on a stretcher 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) (credit:Dave Thompson via Getty Images)
Police Respond To An Incident At Manchester Arena(21 of32)
Open Image ModalMANCHESTER, ENGLAND - A policeman patrols 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) (credit:Dave Thompson via Getty Images)
Police Respond To An Incident At Manchester Arena(22 of32)
Open Image ModalMANCHESTER, ENGLAND - A person is wheeled away on a stretcher 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) (credit:Dave Thompson via Getty Images)
Police Respond To An Incident At Manchester Arena(23 of32)
Open Image ModalMANCHESTER, ENGLAND - A policeman patrols 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) (credit:Dave Thompson via Getty Images)
Police Respond To An Incident At Manchester Arena(24 of32)
Open Image ModalMANCHESTER, ENGLAND - Emergency services arrive 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) (credit:Dave Thompson via Getty Images)
Police Respond To An Incident At Manchester Arena(25 of32)
Open Image ModalMANCHESTER, ENGLAND - Police 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) (credit:Dave Thompson via Getty Images)
Police Respond To An Incident At Manchester Arena(26 of32)
Open Image ModalMANCHESTER, ENGLAND - Emergency services arrive 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) (credit:Dave Thompson via Getty Images)
Police Respond To An Incident At Manchester Arena(27 of32)
Open Image ModalMANCHESTER, ENGLAND - Emergency services arrive 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) (credit:Dave Thompson via Getty Images)
Police Respond To An Incident At Manchester Arena(28 of32)
Open Image ModalMANCHESTER, 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) (credit:Dave Thompson via Getty Images)
Police Respond To An Incident At Manchester Arena(29 of32)
Open Image ModalMANCHESTER, 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) (credit:Dave Thompson via Getty Images)
BRITAIN-ACCIDENT-MUSIC-POLICE(30 of32)
Open Image ModalPolice deploy at scene of a reported explosion during a concert in Manchester, England, on May 23, 2017.\nBritish 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.\n / AFP PHOTO / PAUL ELLIS (Photo credit should read PAUL ELLIS/AFP/Getty Images) (credit:PAUL ELLIS via Getty Images)
BRITAIN-ACCIDENT-MUSIC-POLICE(31 of32)
Open Image ModalPolice deploy at scene of a reported explosion during a concert in Manchester, England, on May 23, 2017.\nBritish 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.\n / AFP PHOTO / PAUL ELLIS (Photo credit should read PAUL ELLIS/AFP/Getty Images) (credit:PAUL ELLIS via Getty Images)
BRITAIN-ACCIDENT-MUSIC-POLICE(32 of32)
Open Image ModalMedics deploy at the scene of a reported explosion during a concert in Manchester, England on May 23, 2017. \nBritish 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\n / AFP PHOTO / Paul ELLIS (Photo credit should read PAUL ELLIS/AFP/Getty Images) (credit:PAUL ELLIS via Getty Images)