Thousands of demonstrators demanded the ouster of Guatemalan President Otto Perez Molina on Saturday following the arrest of Vice President Roxana Baldetti in a graft scandal that has rocked the country. A UN investigative commission has released extensive information implicating Perez in a massive scheme to reduce importers’ customs duties in exchange for bribes. Although Perez still refuses to resign, several of his cabinet members did so on Saturday. teleSUR