Heathrow Airport was closed for almost all of Friday after a huge fire at a nearby electrical substation caused a significant power outage which has sparked travel mayhem across the world.
Counter-terrorism police are investigating the blaze which has left thousands of people stranded in the UK and abroad with no flights departing or arriving at the UK's busiest airport.
London Fire Brigade said firefighters are still tackling flames which first broke out in Hayes last night at 11:30pm that left Heathrow without power along thousands of nearby residents.
Have YOU been affected by the closure? Email: olivia.christie@mailonline.co.uk and tips@dailymail.com
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