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. - x8 y: ^2 o) r) d) b! m0 \7 v+ Z5 R" U$ Q5 e Q9 Q) Q, y4 n
They say they are treating it as a "terrorist incident" as they investigate.