` ` Awwad Ibrahim '' a '' was put on a global terrorist list Three days . He is known as the senior leader of al Qaeda in Iraq , al Qaeda says . Abu Du ' a has threatened `` violent retaliation '' for the death of Abu Du ' , Iraq says .
`` Abu Du ' a '' was put on a global terrorist list earlier this week . He is known as the senior leader of al Qaeda in Iraq , State Department says . Abu Du ' a has threatened `` violent retaliation '' for the death of Osama bin Laden , U.S. says .