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.

A sweeping power blackout has left most of Chile in darkness. Tuesday's blackout sent internet and phone services offline, paralyzed businesses and forced evacuations of tunnels and subways in the South American nation.

Chile on Tuesday declared a state of emergency and curfew across much of the country, including the capital Santiago, following a massive, rare blackout that left millions without power. The worst blackout in the country in well over a decade caused transport chaos in the capital Santiago,