Leopoldo Lopez
Venezuela postponed its upcoming presidential vote to May 20 in a move cementing an opposition split.
Venezuelan opposition leader Antonio Ledezma has fled over the border to Colombia, authorities said on Friday.
Venezuelan opposition leader Leopoldo Lopez was returned to house arrest Saturday after being detained in military prison for four days.
Venezuela's best-known jailed opposition leader Leopoldo Lopez has promised to fight on following three years' imprisonment.