Hurricane Oscar’s arrival to eastern Cuba Sunday impacted millions of residents already facing days without power, after fresh attempts to restore much of the nation’s electric grid failed. In the capital city of Havana early Monday,

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'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. Strong winds raked the region as the storm stalled over land,