Several power outages were recorded in Spain ahead of a major blackout, with industry representatives repeatedly warning about the instability of the power grid, Reuters reports. According to the media outlet,

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,

Electricity is pulsing through Spain and Portugal again after a massive outage knocked out power in both countries on Monday. So too are questions.