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

Pockets of Cuba's capital Havana saw the lights flicker back on though vast areas of the city and country continued without electricity on Sunday morning, after a nationwide grid collapse that knocked out power to 10 million people.

Millions of people in Cuba remained without power Saturday after a failure of the nation's electric grid left the island in the dark the previous night. The blackout is the fourth in the last six months as a severe economic crisis plagues the Caribbean country.

Cuba has suffered a massive power outage affecting Havana and the country’s provinces that has left millions in the dark.

Cuba suffered a general blackout on Friday caused by a crash of its national electricity grid, officials said, the fourth major power outage on the cash-strapped communist island in five months. “At around 8:15pm tonight,

The collapse follows nationwide blackouts last year that plunged Cuba's frail power-generating system into disarray.

Cuba remained largely without power on Saturday morning after the island´s grid collapsed the night before, knocking out electricity for 10 million people and raising fresh questions about the viability of its antiquated generating system.

Experts have attributed recent blackouts in Cuba primarily to fuel shortages, aging infrastructure and economic sanctions. Outside of Havana, many Cubans have experienced rolling blackouts for weeks.Millions of people in Cuba remained without power for a second night in a row on Saturday as the island nation dealt with a major power outage.

Cuba's national electrical grid collapsed late on Friday (March 14), leading to widespread blackouts across the Caribbean island nation, including the capital, Havana. Lauren Roback reports.

Cuba‘s electric grid collapsed late Friday leading to a nationwide power outage and leaving millions in the dark. At around 8:15 p.m., an outage at the Diezmero substation in Havana caused “a significant loss of generation in western Cuba and,