There were 60 million affected persons, thousands of people trapped in trains, and ten deaths.

Omissions

• The specific date of the incident was April 28, 2025. The 60 million figure covers both Spain and Portugal combined, not Spain alone. The exact death toll reported in sources varies, with some reporting 8 confirmed deaths (7 in Spain, 1 in Portugal) and others suggesting up to 10 or more fatalities including a family of three from carbon monoxide poisoning.
• Some sources used are secondary news reports published on or after April 28, 2025.

Sources

• SecondaryReutersIberia power cut leaves people trapped in lifts and trains - confirms people were trapped in trains during the April 28, 2025 blackout
• SecondaryThe GuardianTens of millions across Spain and Portugal hit by huge power outage - confirms tens of millions affected across the Iberian Peninsula
• SecondaryThe TimesFamily of three 'killed by carbon monoxide poisoning' are among the casualties - confirms multiple deaths including a family of three, supporting death toll in the range of 8-10+
• TertiaryWikipedia - 2025 Iberian Peninsula blackoutAt least seven people in Spain and one in Portugal may have died due to outage-related circumstances - confirms minimum of 8 deaths (7 Spain + 1 Portugal)