Washington PostManchester bombing probe expands with arrests on two continentsWashington PostMANCHESTER, England — The investigation into a suicide blast that killed at least 22 people at a pop concert dramatically widened on Wednesday, with security services on two continents rounding up suspects amid fears that the bombmaker who devised ...Police Investigate 'Network' of Salman Abedi, Manchester BomberNew York TimesManchester attack: Who was Salman Abedi?BBC NewsManchester attack: Police move in on arena bomber's 'network'CNNCBS News -Miami Herald -Fox News -NPRall 2,294 news articles »