A demonstrator removes a police barricade to place in an area that he hopes will block a police water cannon, in Arms Square, during clashes between police and participants of the People's Summit march, a parallel event created against the scheduled weekend 60-nation economic summit, in Santiago, Chile, Friday, Jan. 25, 2013. Latin American, Caribbean and European leaders began arriving in Santiago, Friday, for the CELAC-EU summit. (AP Photo/Victor Ruiz Caballero), APTOPIX