Millions of Cubans awoke on Sunday to find their homes still without power after another partial grid failure overnight, deepening a crisis that has raised questions over the viability of the government's efforts to reestablish electrical service.

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 for two days

The majority of Cubans remain without power for the third day in a row after fresh attempts to restore electricity failed overnight

Cuba's electrical grid collapsed again on Sunday, 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.