Millions of people in Cuba are without power after a failure of the nation’s electric grid left the island in the dark.

Cuba’s power grid collapsed Friday night, triggering a nationwide power outage and plunging its more than 10 million people into darkness. “At around 8:15 p.m. tonight, a failure at the Diezmero substation caused a significant loss of generation in the west of #Cuba and with it the failure of the National Electric System,

An outage at the Diezmero substation on the outskirts of Havana had caused “a significant loss of generation in western Cuba and, with it, the failure of the National Electric System.”