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.

Many Cubans waited in anguish Sunday as electricity on much of the island had yet to be restored days after an island-wide blackout. Their concerns were also raised as Hurricane Oscar made landfall in the southeastern Bahamas and was heading toward their country.

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

A few things to know after millions of people in Cuba were left without electricity for two days when the nation's electrical grid collapsed

Millions remain without power in Cuba for a third consecutive day as slow progress is made in restoring electricity following three major grid failures.