Cuba made fast progress restoring power to swaths of the Caribbean island nation on Tuesday, both in Havana and outlying provinces, even as emergency and grid workers struggled to reach areas ravaged by Tropical Storm Oscar.

Cuba's power-grid operator said it had restored electricity to most of the capital Havana on Monday even as Tropical Storm Oscar lashed the island's eastern end, downing trees and power lines.

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.

MIAMI: The Cuban people have been left in the dark after their nation's electrical grid collapsed Friday. "It was really frustrating because we don't know how long it will last," Omar McKenzie, a Cuban resident in Havana told CBS News Miami.

Photos emerging from Cuba show not only the unrest, but residents continuing to lives their lives even amid the indefinite power outages.

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

Cuba's power-grid operator said it had restored electricity to parts of the capital Havana on Monday following a fourth major grid failure in 48 hours, while Tropical Storm Oscar lashed the island's eastern end.