Cuba's efforts to restore power to the island were derailed for a third time late on Saturday, Cuban authorities said shortly before midnight, leaving millions in the dark and raising fresh questions over the viability of the government's bid to reestablish electrical service.

Cuba's power grid has ground to a halt for a second time in as many days, leaving 10 million on the island without power and the Caribbean island in a growing sense of crisis.

Cuba's electrical grid collapsed again early on Saturday morning, state-run media reported, plunging the entire country into blackout for a second time just hours after authorities announced they had begun re-establishing service.

Cuba's government blames weeks of worsening blackouts on deteriorating infrastructure, fuel shortages and rising demand.

Cuba’s government says some electricity has been restored on the island after one of the country’s major power plants failed and left millions without electricity in an outage that started two days earlier.

Cuba’s power grid was on the verge of collapse, relying on plants nearly a half-century old and importing fuel that the strapped Communist government could barely afford. On Friday morning their dire predictions came true,

CubaDebate, one of the islands state-run media outlets, said Cuba`s grid operator, UNE, had reported at 6:15AM the "total disconnection of the national electro-energetic system." "The Electric Union is working on its reestablishment,

After electricity was partially restored in Cuba following an island-wide blackout, the electrical grid collapsed a second time, causing widespread alarm. Journalist Ed Augustin told NBC News that while power is gradually being restored in some areas,

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