A massive power outage has knocked out electricity across parts of Spain and Portugal, shutting off traffic lights and causing chaos at airports, train stations and on the roads. Follow for live updates.

A blackout has brought much of Spain and Portugal to a standstill, affecting millions of people. The Spanish power distributor calls it “exceptional and extraordinary."

Balearic Islands not affected by power cuts. Spanish power grid operator Red Electrica said it was working with energy companies to restore power after large parts of Spain and Portugal were hit by a power outage on Monday.