Al-Qaeda branch in 'Sahara Emirate'

An offshoot of al-Qaeda has emerged in the deserts of North Africa, claiming an area it calls the Sahara Emirate.

The group roams the border region of Algeria, Mauritania, Mali and Morocco.

Al Jazeera has obtained exclusive footage showing the fighters posing with bombs and rocket propelled grenades at a desert camp.

Mohammed Vall reports from Mauritania.