Thomas Cook is set to go into administration, triggering Project Matterhorn - the government’s plan to repatriate 150,000 British holidaymakers. Formal announcement expected later tonight/early in the morning.

— Joel Hills (@ITVJoel) September 22, 2019

“…The collapse of Thomas Cook would put 20,000 jobs at risk, including about 9,000 in the UK. The CAA could be forced to pick up some of the cost of covering the flights home of 150,000 UK customers abroad. Thomas Cook destinations range from mainland Europe to the Caribbean, the US and the Middle East.”
theguardian.com