Spain rules out cyber attack – but what could have caused power cut?

BBC News

Spanish grid operator rules out cyber attack as cause of massive power cut in Spain, Portugal, and parts of France. Preliminary findings suggest no interference in control systems. Exact reason still unclear, investigation ongoing. Prime Minister vows to take necessary measures to prevent future occurrences. Experts believe multiple failures likely caused the outage. Ongoing investigation to determine the cause.
Read More from source