(France 24) Chiles president declared a state of emergency in Santiago Friday night and gave the military responsibility for security after a day of violent protests over an increase in the price of metro tickets. Throughout Friday protestors clashed with riot police in several parts of the capital and the subway system was shut after attacks on stations in some of the worst violence the city has seen in years. At least 16buses were torched and a dozen metro stations totally destroyed. Around midnight President Sebastian Pinera declared a state of emergency and appointed Major General Javier Iturriaga del Campo as head of national defense.