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 suffered a general blackout on Friday caused by a crash of its national electricity grid, officials said, the fourth major power outage on the cash-strapped communist island in five months. “At around 8:15pm tonight,

Cuba's eight thermal power plants, nearly all of which came online in the 1980s or 1990s, suffer routine failures.