Supporters of Former prime minister and presidential candidate Cellou Dalein Diallo of the Union des forces democratiques de Guinee (UFDG) complain to security forces during a confrontation with partisans of Guinea's outgoing president, leader of Rassemblement du Peuple de Guinea (RPG) on a main road during the electoral rally of UFDG in Conacry, October 8, 2015. Guinea will hold its presidential election on Sunday. REUTERS/Luc Gnago