https://www.facebook.com/nigelfarageofficial/posts/heathrow-airport-had-no-diesel-generator-backup-it-was-removed-as-part-of-their-/1188723939276049/
https://www.theguardian.com/uk-news/2025/mar/21/heathrow-shutdown-raises-questions-about-back-up-systems-for-europes-biggest-airport