On 31 July 2004 , " The al-Islambouli Brigades of al-Qaeda " claimed responsibility for an assassination attempt on Shaukat Aziz , then a candidate for the post of Prime Minister of Pakistan . On 24 August 2004 , a Chechen group calling itself " The al Islambouli Brigades " issued a statement claiming responsibility for the bombing of two Russian passenger aircraft
bombing of two Russian passenger aircraft
2004 Russian aircraft bombings
Khālid al-Islāmbūlī