Power outages disrupted daily life and left millions of people in the dark. Tens of millions of people on the Iberian Peninsula had their Mondays upended by power outages that lasted hours.

Spain's Interior Ministry on Monday declared a state of emergency after a nationwide power blackout hit most of the Iberian Peninsula.

Several airports, including Madrid airport, which is Spain's busiest, had no electricity, El Mundo reported. Major cities including Barcelona, Seville and Valencia were without power. Parts of France were also affected by power loss.