Al Qaeda is militant organisation founded in 1988 and led by Saif Al Adel. It has many branches, notably in Afghanistan, Yemen, Somalia and in the Maghreb
Palestinian held in Guantanamo Bay can sue UK for CIA torture
Top Al Qaeda leader killed in Marib air strike
Two Guantanamo Bay detainees repatriated to Pakistan
US says new Al Qaeda leader who helped 9/11 attacks is 'in Iran'
US sends Pakistani Al Qaeda courier to Belize
Women and children freed in Burkina Faso after kidnapping
