By Emma Pinedo, Catarina Demony and David Latona MADRID/LISBON (Reuters) -Power started returning to parts of the Iberian peninsula late on Monday after a huge outage brought most of Spain and Portugal to a standstill,

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

A massive power outage hit Spain and Portugal on Monday, shutting down trains, disrupting air travel and leaving large parts of the countries — including the capital cities of Madrid and Lisbon — in the dark.