Massive Fire Forces Full-Day Closure of London Heathrow Airport

London, March 21, 2025 – London’s Heathrow Airport, one of the busiest airports in the world, has been completely shut down following a devastating fire at a nearby electrical substation that triggered a major power outage.

🔥 Fire Incident Details

According to official reports, the fire broke out just before midnight on Thursday at a substation located on Nestles Avenue in Hayes.
Around 70 firefighters and 10 fire engines were deployed to battle the flames. The blaze was brought under control by 6:30 a.m., but not before it caused widespread damage and electrical failure in the area.

✈ Airport Closure & Flight Disruptions

As a result of the power outage, Heathrow Airport has suspended all operations and will remain closed until 11:59 PM (GMT) on March 21, 2025.

• Over 1,351 flights have been canceled or delayed.

• Approximately 291,000 passengers have been affected.

• Passengers are strongly advised not to travel to the airport and to check with their airlines for the latest updates.

🛫 Airline Responses

Several major airlines have already taken action in response to the disruption:

• British Airways is actively working to rebook affected passengers.

• United Airlines has diverted or canceled seven flights.

• Lufthansa Group Airlines has canceled all flights to and from Heathrow.

🏠 Impact on Local Community

The fire and subsequent outage have also impacted nearby residents and businesses:

• 29 individuals were evacuated from residential buildings.

• An additional 150 people were removed from a 200-meter safety perimeter.

• Power outages have affected surrounding homes and commercial properties.

• The National Grid is currently working to restore electricity in the area.

🗣 Government Response

The UK Secretary of State for Transport, Heidi Alexander, has urged all travelers to avoid Heathrow Airport and to contact their respective airlines for assistance.

Authorities have also issued a smoke advisory, asking residents near the fire zone to keep windows and doors closed for safety.