India, April 28 -- A massive power outage was reported in several cities across Spain and Portugal on Monday. The blackout disrupted critical infrastructure, local media reported.

Among the cities affected were major industrial hubs like Madrid, Barcelona, Lisbon, Seville and Porto.

Local media reported that services and train stations and airports were also severely impacted due to the outage.

Spanish radio stations said part of the Madrid underground was being evacuated. There were traffic jams at Madrid city centre as traffic lights stopped working, Cader Ser Radio station reported.

The government and grid operator Red Electrica are seeking to determine the reason for the outage, according to two statements. Backup plans have been ...