A massive power outage across Chile plunged the country's capital Santiago into darkness on Tuesday and knocked out electricity to major copper mines in the country's north, buffeting global metal markets.

A massive power outage plunged Chile into darkness, affecting its capital Santiago and important copper mines. The blackout, caused by a transmission failure, led to a state of emergency and curfew. Efforts to restore power are underway,

A massive power blackout struck much of Chile on Tuesday, leaving residents of the capital Santiago without electricity and interrupting mining operations in the world's biggest copper producing country.

A large power outage struck vast swaths of Chile on Tuesday, interrupting mining operations in the world's biggest copper producer and leaving residents of Santiago without electricity. The head of Chile's National Electricity Coordinator (CEN),