Heathrow defends its response as questions grow about why a fire shut the airport for so long - The Associated Press

[News]

1. Heathrow defends its response as questions grow about why a fire shut the airport for so long The Associated Press
2. Was Heathrow’s response to fire at a substation really the best it could do? The Guardian
3. 'We warned of power issues before Heathrow outage' BBC.com
4. Airlines threaten Heathrow with legal action Sky News