                                   ntence 1: Two Iraqis “and. two Siudis grabbed  bortly:after the’ blast, gave information leading  Jo the arrestof the others. said theofficial ,    The official : < swho. “spoke “od   Sndition of anonymity.; said that twp tragis and.   Fwo Saudis, detained” after, the © attack gave,  fntormatjini eading to:the atrest of the others «,