commercial adroit bacilli decry less two hours later two veiled women reportedly man sister fiancee attacked tour bus egyptian police officials government guided al ahram newspaper said bus carrying israeli tourists firing tour bus negat yassin shot wounded companion killing khamis died later wounds officials said acted revenge yassin death said police earlier day captured two suspects ashraf saeed youssef gamal ahmed abdel aal connection attack chasing third ehab yousri yassin highway overpass jumped setting nail filled bomb hope attacks stand way political reform said statement acknowledging mubarak plans end emergency law whether attacks take place two militant groups posted web statements claiming responsibility twin attacks mujahedeen egypt abdullah azzam brigades neither claim authenticity could verified women known carried past attacks egypt fouad allam retired general egypt anti terrorism security apparatus said way compare recent attacks 1990 led larger organized groups since marginalized protracted harsh government crackdown