Speculation abounds about Spain's blackout. But what do we really know about its causes? And what do we learn for UK grid?

Train and flight delays bring travel chaos as officials hunt blackout cause - More than 90% of power restored in Spain and ...

Power was restored in Spain and Portugal on Tuesday after lights, communications services and transport stopped working this ...

The cause of Spain and Portugal’s widespread blackouts remained a mystery on Tuesday, with some isolated disruption remaining ...

Spain on Tuesday began to investigate the causes of the crippling blackout that disrupted millions of lives across the ...

Thousands of Brits stuck in Spain following a power outage in the Iberian Peninsula yesterday, with many taking to social ...

Spain and Portugal are seeing power almost fully restored following a crippling blackout on the Iberian Peninsula. A ...

Power is almost fully restored as many questions remained about what caused one of Europe's most severe blackouts that ...

With the lights now coming back on in the Iberian Peninsula, Euroverify fact-checks some of the false claims that circulated ...

An unprecedented blackout across Spain and Portugal upended the lives of millions across the Iberian Peninsula, a stark ...