Riot police take position during a clash with anti-government demonstrators at Altamira Square in Caracas

Riot police take position during a clash with anti-government demonstrators at Altamira Square in Caracas

Riot police take position during a clash with anti-government demonstrators at Altamira Square in Caracas February 24, 2014. Anti-government demonstrators put up barricades and set fire to trash in Caracas on Monday despite calls from within the opposition to rein in protests that have led to 13 deaths in Venezuela’s worst unrest for a decade. REUTERS/Carlos Garcia Rawllins (VENEZUELA – Tags: POLITICS CIVIL UNREST)