https://iafpa.asia/iafpa-news/1994-the-terrifying-time-part-of-the-london-underground-was-very-nearly-123/
1994: The terrifying time part of the London Underground was very nearly crushed by a tunnel collapsing at Heathrow Airport.
Follow the link for the full report: https://www.mylondon.news/news/nostalgia/terrifying-time-part-london-underground-22376164