xBREAKING: Manchester police say man set off improvised explosive device at Ariana Grande concert, then died in the attack.— The Associated Press (@AP) May 23, 2017 God bless Manchester and God bless us all. x.@Mic rounds up the latest in the Manchester Arena Explosion. At least 22 dead at Ariana Grande concert; star reacts https://t.co/8e5PAqelIs— Aaron L.