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.

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

Residents in Central Havana protested with chants for electricity after enduring a four-day blackout due to a grid collapse. Power was restored to most areas by Monday, but ongoing electricity issues remain,