A protester reacts as he is detained by police during a demonstration against Algerian President Abdulaziz Bouteflika's decision to run for a fourth term, in Algiers March 6, 2014. Bouteflika on Monday formally registered his candidacy for April's election, one of the few times the aging independence veteran has spoken in public since suffering a stroke last year. REUTERS/Ramzi Boudina (ALGERIA - Tags: CIVIL UNREST POLITICS ELECTIONS CRIME LAW)