Cuba was plunged into darkness on Friday night as a nationwide power outage left more than 10 million people without electricity, marking one of the most severe blackouts the country has faced in recent years,

Cuba remained largely without power on Saturday morning after the island´s grid collapsed the night before, knocking out electricity for 10 million people and raising fresh questions about the viability of its antiquated generating system.

Cuba's national electrical grid collapsed late on Friday, the country's Energy and Mines ministry said, leading to widespread blackouts in the capital Havana and across the Caribbean island nation. Energy ministry officials said an electrical substation in Havana failed around 8:15 p.