Cuba has struggled with blackouts in recent months, including a nationwide one in December. Friday’s power failure was the fourth widespread one in five months. Government officials blame U.S. economic sanctions for the ongoing crisis, while others point to aging infrastructure, fuel shortages and the island’s susceptibility to hurricanes.

The electrical grid in Cuba is old and in need of significant modernization. Many of the power plants and transmission lines are outdated and prone to failure, especially under hi

Millions of people in Cuba are without power after a failure of the nation’s electric grid left the island in the dark