Major power outages across large areas of Spain and Portugal, as well as parts of southern France, knocked out traffic lights and disrupted public transportation and airport operations on Monday.

By Sara Ruberg and Michael Levenson After a nearly daylong power outage upended life for millions across Spain and Portugal, the authorities in both countries are still searching for the cause of ...

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.

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. One of Europe’s ...

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. One of Europe’s ...

A massive, unprecedented power outage hit large parts of Spain as well as Portugal on Monday. The blackout halted subway and railway trains, cut phone service and shut down traffic lights and ATMs ...

MADRID — Life in Spain and Portugal began to return to normal Tuesday, a day after a massive power outage paralyzed the Iberian Peninsula, leaving governments, companies and experts scrambling ...