London railway tunnel to Heathrow closed over safety fears

Noora Mykkanen | Senior Live News reporter Published August 10, 2026 9:32am Updated August 10, 2026 9:34am A leak in the railway tunnel is wreaking havoc on trains between London and Heathrow (Picture: In Pictures via Getty Images) A railway tunnel near Heathrow Airport has closed, sparking travel disruption on the major route set to last all day. The new week is off to a difficult start in west London after a rail tunnel was forced to close this morning, wreaking havoc on the Elizabeth line and Heathrow Express. The tunnel closed for ‘safety reasons’ between Hayes and Harlington and Heathrow Terminals, affecting rush hour services from Paddington. National Rail said: ‘A tunnel has been closed for safety reasons between Hayes & Harlington and Heathrow Terminal 4 / Heathrow Terminal 5. As a