ISIS Supporters cheer Ariana Grande Concert bombing

Although the Islamic State (IS) group has not taken responsibility for the attack, Twitter accounts affiliated with the terrorist organization sent out celebratory messages.
MoreUPDATE: 7:51 a.m. EDT — Islamic State group on Tuesday claimed responsibility for the attack at the Manchester Arena in northern England Monday night that left at least 22 people dead, saying that one of its member was behind the bombing.
Original Story:
Supporters of the Islamic State group (IS) celebrated o