Red Eléctrica, Spain’s electricity grid operator, ruled out a cyberattack, human error or unusual weather. Experts say it could take weeks to determine the cause.

At least three people died as a result of Monday's massive power outage on the Iberian Peninsula, according to reports. In the small town of Taboadela in north-west Spain, three members of a family died from carbon monoxide poisoning,

The blackout that engulfed the Iberian Peninsula on Monday was chaotic and stressful for many. But it had a silver lining: People were forced away from their screens and into the “real” world, connecting with the present and one another.