The root cause of the fire that sparked a major power outage at Heathrow Airport remains unknown, the UK's national energy system operator has said.
The root cause of the fire that sparked a major power outage at Heathrow Airport remains unknown, the UK's national energy system operator has said.
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The root cause of the fire that sparked a major power outage at Heathrow Airport remains unknown, the UK's national energy system operator has said.
Continue reading...