The death toll has risen to 11 after three days of violent demonstrations in Chile. Almost 1,500 people were detained in the worst outbreak of social unrest in decades while the capital Santiago was placed under curfew for two nights running.<br />''<br />''The Santiago region's Governor, Karla Rubilar said, eight people had died on Sunday and three on Saturday.<br />''<br />''Santiago and nine more of Chile's 16 regions were under a state of emergency, with troops deployed onto the streets for the first time since Augusto Pinochet's military dictatorship between 1973-1990. <br />