Police say that 19 people have been killed and another 50 injured after an explosion at the Manchester Arena in northern England, where U.S. pop star Ariana Grande was giving a concert. - s% g& l2 k% z/ Z; a) M) l m2 A: \2 |* J7 z3 |8 f. M, N
They say they are treating it as a "terrorist incident" as they investigate.