Heathrow shutdown cause still unknown, report says
Summary
The cause of a fire that led to a massive shutdown at Heathrow Airport is still unknown, according to an interim report. The fire at an electrical substation caused a power outage, affecting over 270,000 journeys. Investigations continue, with a final report expected by June.Key Facts
- A fire at an electrical substation near Heathrow Airport caused a power outage.
- The incident occurred on 20 March, affecting over 270,000 travel journeys.
- Heathrow Airport was closed to all flights for most of 21 March.
- The National Energy System Operator (Neso) is investigating the cause.
- The Metropolitan Police found no evidence that the fire was suspicious.
- Power was restored to the airport seven hours before flights resumed.
- Heathrow used emergency backup systems to keep safety operations running.
- The final findings from the investigation are expected to be reported by June.
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