- Spanish court investigates whether massive blackout was due to a cyberterrorist attack EL PAÍS English
- Spain will take ‘all necessary measures’ to prevent another blackout, says PM – live updates BBC
- How Spain’s Success in Renewable Energy May Have Left It Vulnerable The New York Times
- Power returns to Spain and Portugal. The outage’s cause remains a mystery AP News
- What is ‘induced atmospheric vibration’ and did it really cause power outages across Spain and Portugal? Live Science