 Al-Qaeda took responsibility for the attack and several dozen people were arrested in connection with the killing, including the head of his own security detail.The sheikh's funeral attracted about 1,500 mourners, including Iraq's national security adviser Mowaffak al-Rubaie, Interior Minister Jawad Jawad Bulani, Defense Minister General Qadir Obeidi and Lieutenant-General Raymond Odierno, second in command of U.S. forces in Iraq, and sparked vows of revenge.After Abu Risha's death, his brother, Sheik Ahmed Abu Risha, was selected to take over leadership of the Anbar Salvation Council by the tribal leaders of the province.