MANCHESTER, ENGLAND - MAY 25:  The carpet of floral tributes to the victims and injured of the Manchester Arena bombing covers the ground in St Ann's Square on May 25, 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)