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 parts of Havana on Monday following multiple grid collapses over the past four days, while Tropical Storm Oscar lashed the island's eastern end.

A small town in far eastern Cuba is recovering from flooding that killed at least six people after Hurricane Oscar crossed the island's eastern coast as a tropical storm with winds and heavy rain.