Colombia: riot squad represses student protests in Medellín

Colombia's Mobile Anti-Riot Squad (ESMAD), backed up by two armored personnel carriers, invaded the campus of the University of Antioquia in Medellín, where students were holding protests against the imposition of new ID cards Sept. 15. The ESMAD used tear gas, and some students responded with hurled rocks and bottles. At least one student was seriously injured. On Aug. 26, ESMAD forces invaded