Overview

• A fire at a substation in Hayes led to a significant power outage, forcing the closure of London Heathrow Airport until 23:59 local time on March 21, 2025.
• More than 1,300 flights have been canceled or diverted, with global air travel disruptions expected to persist in the coming days.
• The fire, which left approximately 100,000 households temporarily without power, has been contained, but its cause remains under investigation.
• Around 150 people were evacuated from nearby areas as a precaution during the emergency response involving 70 firefighters.
• Airports across Europe, including Frankfurt and Düsseldorf, have reported flight cancellations and diversions due to Heathrow's closure.