Experts have attributed recent blackouts in Cuba primarily to fuel shortages, aging infrastructure and economic sanctions. Outside of Havana, many Cubans have experienced rolling blackouts for weeks.Millions of people in Cuba remained without power for a second night in a row on Saturday as the island nation dealt with a major power outage.

Millions of Cubans were without electricity for a second night Saturday after a widespread blackout hit the island, the fourth in less than six months.Cubans have been facing a serious economic crisis marked by widespread food,

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.

The collapse follows nationwide blackouts last year that plunged Cuba's frail power-generating system into disarray.