Electricity has been restored to half of Havana, the Cuban capital's power company reported Monday, four days after the start of a nationwide blackout that the authorities have struggled to address.The government has said that electricity is expected to be restored to most of the country by the end of Monday.

Cuba's efforts to restore power to the island were derailed for a third time late on Saturday, Cuban authorities said shortly before midnight, leaving millions in the dark and raising fresh questions over the viability of the government's bid to reestablish electrical service.

Friday’s supply collapse was unprecedented in modern times, aside from incidents involving intense hurricanes, like one in 2022.