An investigation has been launched into the closure of London Heathrow Airport on Friday (21 March) due to a power outage that was caused by a major fire at an off-site electrical substation.
Heathrow had to suspend all flights for around 18 hours because of the loss of power before services were eventually able to resume around 4.30pm.
The closure caused massive disruption to passengers on Friday when more than 1,000 flights were cancelled, although Heathrow said it had operated a full schedule on both Saturday and Sunday (22-23 March).
The airport said in an online statement on Monday (24 March): “Heathrow is open and fully operational. Teams across the airport continue to do everything they can to support passengers impacted by…



































