A demonstrator tussles with a riot police vehicle during a protest against the government in Valparaiso, Chile October 19, 2019. REUTERS/Rodrigo Garrido

Demonstrators hold up Chilean flags during a protest against Chile's state economic model in Santiago, Chile October 25, 2019. REUTERS/Pablo Sanhueza

Riot policemen react against demonstrators during a protest against Chile's state economic model in Santiago, Chile October 25, 2019. REUTERS/Ivan Alvarado

Demonstrators react amid tear gas at the entrance to a metro station during a protest against Chile's state economic model in Santiago, Chile October 26, 2019. REUTERS/Pablo Sanhueza

A demonstrator holds a Chilean flag in front of an improvised bonfire during an anti-government protest in Santiago, Chile October 28, 2019. REUTERS/Edgard Garrido

Riot policemen clear the remains of a burnt makeshift barricade during an anti-government protest in Santiago, Chile October 28, 2019. REUTERS/Edgard Garrido

Riot policemen detain a demonstrator during an anti-government protest in Santiago, Chile October 28, 2019. REUTERS/Pablo Sanhueza

A demonstrator takes cover against a police water cannon during an anti-government protest in Santiago, Chile October 28, 2019. REUTERS/Henry Romero

Firemen work to put out flames from a building during an anti-government protest in Santiago, Chile October 28, 2019. REUTERS/Pablo Sanhueza

Protective gear are seen on the horses of mounted security forces during a protest against Chile's government, at Providencia, a wealthy neighbourhood, in Santiago, Chile November 7, 2019. REUTERS/Jorge Silva

A demonstrator uses a sink as a shield during a protest against Chile's government in Santiago, Chile November 8, 2019. REUTERS/Pablo Sanhueza

A demonstrator jumps over a fire during a protest against Chile's government in Vina del Mar, Chile November 8, 2019. REUTERS/Rodrigo Garrido

A demonstrator holds a can spewing coloured smoke during a protest against Chile's government in Santiago, Chile November 8, 2019. REUTERS/Pablo Sanhueza

A demonstrator holds a Chile flag during a protest against Chile's government at Plaza Italia in Santiago, Chile, November 9, 2019. REUTERS/Pablo Sanhueza

A demonstrator confronts riot police during a protest against Chile's government at Plaza Italia in Santiago, Chile, November 9, 2019. REUTERS/Henry Romero

Riot police stand amid tear gas and smoke from a burning barricade during a protest against Chile's government in Concepcion, Chile November 12, 2019. REUTERS/Juan Gonzalez

A demonstrator holds a Chilean flag near and a riot police officer and vehicle amid laser beams during a protest against Chile's government in Santiago, Chile November 12, 2019. REUTERS/Ivan Alvarado

Demonstrators and riot police vehicle are seen amid laser beams during a protest against Chile's government in Santiago, Chile November 12, 2019. REUTERS/Ivan Alvarado

A demonstrator takes cover behind a makeshift shield during a protest against Chile's government in Santiago, Chile November 15, 2019. REUTERS/Pilar Olivares

A demonstrator reacts as she is detained by riot policemen during a protest against Chile's government in Santiago, Chile, November 30, 2019. REUTERS/Pablo Sanhueza

A demonstrator massages a man near riot policemen during a protest against Chile's government at Plaza Italia in Santiago, Chile December 2, 2019. REUTERS/Pablo Sanhueza

Riot policemen detain a demonstrator during a protest against Chile's government, at Providencia, a wealthy neighbourhood, in Santiago, Chile December 3, 2019. REUTERS/Pablo Sanhueza

Demonstrators react as police water cannon is deployed during a protest against Chile's government in Santiago, Chile December 12, 2019. REUTERS/Pablo Sanhueza

Demonstrators tussle with a riot police vehicle during a protest against Chile's government in Santiago, Chile December 13, 2019. REUTERS/Ricardo Moraes

A woman confronts a member of the security forces during a protest against Chile's government in Santiago, Chile December 19, 2019. REUTERS/Ricardo Moraes

A woman gestures next to a medical volunteer carrying a child during a protest against Chile's government in Santiago, Chile December 20, 2019. REUTERS/Pablo Sanhueza

A demonstrator reacts during a protest against Chile's government in Santiago, Chile December 20, 2019. REUTERS/Pablo Sanhueza

A demonstrator throws items at an armoured vehicle during a protest against Chile's government in Santiago, Chile December 30, 2019. REUTERS/Ivan Alvarado

Demonstrators react on the street amid laser beams during a protest against Chile's government in Santiago, Chile December 31, 2019. REUTERS/Pablo Sanhueza

People react as they ring in the new year at Plaza Italia amid laser beams during a protest against Chile's government in Santiago, Chile January 1, 2020. REUTERS/Pablo Sanhueza