Protests in Santiago that started 11 days prior escalated into open battle against the Chilean national police, forcing President Sebastián Piñera to declare a state of emergency. Social Outburst (Chile): Social Outburst were a series of massive demonstrations and severe riots occurring mainly between October 2019 and March 2020, in response to a rise in the Santiago Metro's subway fare, a probity crisis, cost of living, university graduate unemployment, privatisation, and inequality prevalent in the country. It originated in Santiago and took place in all regions of Chile, with greater effect in the regional capitals. October 18, 2019. Wiki link