Chile's power grid and major copper mines slowly came back online on Wednesday morning after a major outage hit the world's top producer of the red metal, with power firms working to restore the system to full operation,

Most residents had power restored by midnight but the situation remained unstable. President Gabriel Boric blamed power companies for not acting faster.

SANTIAGO, Chile -- 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.

Chile's state miner Codelco (COBRE.UL), the world's largest copper producer, said on Wednesday it was evaluating the impacts of a nationwide powercut on its production, and that recovery would be its main focus.

Some of the world's largest copper mines in Chile have resumed operations after experiencing a disruption due to a major power outage. The outage, resulting from a transmission line failure in northern Chile,

Chile's major copper mines slowly returned to normal operations Wednesday, as the power grid begins to be restored after a massive power outage hit the world's top producer of the metal. The outage, caused by a transmission line failure in northern Chile,