Police deploy at scene of explosion in Manchester, England, on May 23, 2017 at a concert. 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 / AFP PHOTO / Paul ELLIS (Photo credit should read PAUL ELLIS/AFP/Getty Images)
MANCHESTER, ENGLAND - MAY 23: (EDITOR'S NOTE: Alternative crop of image #687192080) Britain's Prime Minister Theresa May meets Chief Constable of Greater Manchester Police Ian Hopkins on May 23, 2017 in Manchester, England. Prime Minister Theresa May held a COBRA meeting this morning following a suicide attack at Manchester Arena as concert goers were leaving the venue after Ariana Grande had performed. Greater Manchester Police have confirmed the explosion as a terrorist attack with 22 fatalities and 59 injured. (Photo by Leon Neal/Getty Images)
MANCHESTER, ENGLAND - MAY 23: A giant TV advertisement screen, next to a railway bridge, displays "Pray For Manchester" after last nights terrorist attack, May 23, 2017 in Manchester, England. An explosion occurred at Manchester Arena as concert goers were leaving the venue after Ariana Grande had performed. Greater Manchester Police are treating the explosion as a terrorist attack and have confirmed 22 fatalities and 59 injured. (Photo by Christopher Furlong/Getty Images)
MANCHESTER, ENGLAND - MAY 23: A woman wearing a 'I heart MCR' t-shirt makes her way to lay flowers in St Ann Square on Tuesday, May 23, 2017 in Manchester,England. At least 22 people were killed in a suicide bombing at a pop concert packed with children in the northern English city of Manchester, in the worst terror incident on British soil since the London bombings of 2005.Ê (Photo by Jeff J Mitchell/Getty Images)
Police deploy at scene of explosion in Manchester, England, on May 23, 2017 at a concert. 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 / AFP PHOTO / Paul ELLIS (Photo credit should read PAUL ELLIS/AFP/Getty Images)
