HAVANA — Cuba's electrical grid collapsed again on Sunday (Oct 20), the fourth such failure in 48 hours, with a hurricane making landfall to compound the island's misery and threaten further havoc on its decrepit infrastructure.

Millions of people in Cuba were left without electricity for two days after the nation’s energy grid went down when one of the island’s major power plants failed. The widespread blackout that swept across the county was the worst in years.

As electricity was being restored in parts of Cuba following an island-wide blackout, a total collapse of the electrical grid occurred once again.

Cuba faced its fourth electrical grid collapse in 48 hours amidst a hurricane, amplifying the island's energy crisis. With restoration efforts underway, millions remain powerless, causing protests in Havana.

Cuba’s electrical grid went offline after one of the island’s major power plants failed, the energy ministry said. Authorities on Friday said all classes have been suspended and that they will shut down some state-owned workplaces.

Cuba's national grid collapsed on Friday, leaving the entire population of 10 million people without electricity and underscoring the precarious state of the Communist-run country's infrastructure and economy.

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,

Cubans experienced their second black out wave Saturday after government officials said they were working to restore electrical service to hospitals and crucial service centers after a grid failure on Friday.

Cuba was plunged into darkness for a second time on Saturday after its electrical grid collapsed again hours after authorities announced they had begun re-establishing service.