Sylvain Cherkaoui, photojournaliste

Police officer during an opposition demonstration against Senegal President Abdoulaye Wade's controversial bid for a third term, on February 23, 2012, in Dakar. Protesters gathered in the streets leading to the central Independance Square, where protests are forbidden and where clashes have occurred in recent weeks between protesters and riot police. Senegal's main opposition movement said today that a presidential election this weekend cannot possibly be transparent, free and peaceful . ©Sylvain Cherkaoui