On March 21st, UK’s Heathrow Airport was shut down after a massive power outage following the fire. The airport in a statement said that it will be closed until midnight after experiencing a significant power outage due to a fire at a nearby electrical substation supplying the airport. Heathrow Airport and London Fire Brigade released statements after fire at substation stating the closure of the airport until 11:59 PM on March 21 and also advised travelers not to head to the airport The London Fire Brigade said its crews were tackling the fire in Hayes in west London and had evacuated around 150 people as a precaution.