NPRManchester Bombing Is Europe's 12th Terrorist Attack Since 2015NPRBritish authorities still have many questions about the Monday night concert bombing in Manchester. They don't yet know if the suicide bomber had any helpers or how he obtained his explosives. But this much is clear: Western European cities have become ...Bergen: Key question for investigators: What kind of bomb was used in Manchester attack?CNNHow the Manchester Bombing Compares to Recent Deadly Terror Attacks in EuropeNew York TimesBritish police raid houses after bombing decried by PM as sickening attack on youngReutersNewsweek -Washington Post -The New Yorker -USA TODAYall 105 news articles »