A fire at Heathrow Airport's power substation, caused by a preventable technical fault, led to over 1,300 flight cancellations. The issue was identified in 2018 but no action was taken. The fire resulted from moisture causing a transformer failure. Energy Secretary Ed Miliband expressed concern, and an investigation into the substation's operator is underway. The incident raised questions about the resilience of Britain's energy system. Teljes cikk (Euronews.com)