Thousands of riot police crack down on those protesting against the ruling Bouteflika regime. Protesters chant "Bouteflika out!" [http:--www.guardian.co.uk-world-2011-feb-12-algerian-riot-police-protest-algiers ("The Guardian")] [http:--www.gulf-times.com-site-topics-article.asp?cu_no=2&item_no=415815&version=1&template_id=57&parent_id=56 ("Gulf Times")] [https:--www.nytimes.com-2011-02-13-world-africa-13algeria.html ("The New York Times")] [https:--www.youtube.com-watch?v=HltzgRQYjgM (euronews)] [https:--www.telegraph.co.uk-news-worldnews-africaandindianocean-algeria-8320273-Algerian-protesters-clash-with-police.html "(The Daily Telegraph)"]