MADRID (AP) — The cause of Spain and Portugal’s widespread blackouts remained a mystery on Tuesday, with some isolated disruption remaining after power was largely restored to both countries.

A widespread power outage hit Spain and Portugal, affecting millions of people who live across Europe's Iberian Peninsula.

Monday's unpredecented power outage left much of the Iberian Peninsula in the dark. We take a look at what operators did to get power back after the blackout. View on euronews