Cuba had restored power to nearly 20% of the capital Havana by late on Friday afternoon, the government said, two days after hurricane Rafael struck the island and collapsed the country's electrical grid,

Cuba's government said Saturday it arrested an unspecified number of people who staged demonstrations when a hurricane left the island without power for the second time in weeks.

In the aftermath of Hurricane Rafael, Cuba faces a daunting challenge to restore electricity and essential services. With half of Havana still in darkness, the island's fragile energy infrastructure is under scrutiny,