AlQa'dah 2, 1434, Sep 8, 2013, SPA -- Dozens of masked protesters have hurled stones, burned barricades and clashed with police following a march to remember the victims of a 1973 coup that toppled Chilean President Salvador Allende, AP reported. Police responded with tear gas. Sunday's disturbance broke out after a march honoring the roughly 40,000 people killed, imprisoned or tortured by the dictatorship of Augusto Pinochet after he overthrew the socialist Allende on Sept. 11, 1973.