Riots in Chile's capital Santiago escalate into open battles, with attacks reported at nearly all of the city's 164 Metro stations. President Sebastián Piñera later announces a 15-day state of emergency in the capital.

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…