Heathrow closure: what caused the fire and why did it bring down the whole airport? Expert panel - The Conversation

[News]

1. Heathrow closure: what caused the fire and why did it bring down the whole airport? Expert panel The Conversation
2. U.K. Launches Investigation into Heathrow Airport Blackout The New York Times
3. What are the world's busiest airports? See the latest list as London Heathrow is shut down by a fire CBS News
4. UK orders investigation after Heathrow airport shutdown Fox Business