Massive Power Blackout Spain Portugal France has left millions without electricity, disrupting cities like Madrid, Lisbon, and parts of southern France. The blackout shut down airports, trains, metros, and even mobile networks. Authorities are investigating, with a possible cyber attack or fire damage to a French high-voltage line suspected. Power restoration could take between six to ten hours, officials say. Emergency services are urging people to stay home and keep emergency lines clear. Here's a full breakdown of what caused the chaos, the recovery efforts underway, and how life across Spain and Portugal has come to a sudden stop.