Chile was at a standstill on Sunday following two days of violent protests sparked by anger over economic conditions and social inequality that left three people dead, killed in the torching of a Santiago supermarket.
Nearly 10,000 soldiers have been deployed while an overnight curfew was imposed on Santiago and a state of emergency called in three regions.
Santiago's Mayor Karla Rubilar told reporters two people burned to death in the blaze at a store owned by US retail chain Walmart in the early hours of Sunday.
The third victim died later in hospital.
They were the first deaths in the worst unrest since Chile returned to democracy in 1990, following the dictatorship of General Augusto Pinochet.
It marked the first time in the post-Pinochet era that troops have been deployed in what has otherwise been one of Latin America's most stable countries.
Protesters set fire to buses, smashed up metro stations, knocked down traffic lights, ransacked shops and clashed with riot police in ...