Escondida, the world's largest copper mine, was without electricity, while state-owned copper miner Codelco said all its mines had been affected.

A large power outage struck most of Chile on Tuesday, resulting in a curfew until Wednesday morning for the areas hit by the blackout.

A widespread power outage in Chile affected mining operations and left residents in Santiago without electricity. The outage disrupted major copper mines and the capital city, while transmission companies are investigating the cause.

A sweeping blackout plunged most of Chile into darkness Tuesday, stranding commuters, knocking the internet offline and paralyzing businesses and daily life as officials scrambled to restore power. The government declared a state of emergency alongside a mandatory nighttime curfew that will last until 6 a.

A significant power outage hit Chile, affecting mining operations in the world's top copper-producing country and leaving many areas without electricity. Mines such as Escondida and those operated by Codelco were impacted.

Chile’s president has declared a state of emergency after an electricity blackout plunged most of the country into darkness on Tuesday, including the capital Santiago.

Electricity providers across Chile scrambled to restore service Tuesday after a sweeping blackout plunged 90% of the country into darkness, stranding commuters, knocking cell service offline and paralyzing businesses and daily life.

The widespread blackout was caused by a transmission line failure in the country's north, Interior Minister Carolina Toha said, ruling out a cyber attack as a cause.