A major incident is taking place close to Heathrow Airport, with drivers urged not to leave their vehicles.
Armed police are said to be at the scene. Heathrow tunnels are closed with LUL and Elizabeth Lines suspended.
Drivers of buses trapped inside the station are advised not to leave their vehicles under any circumstances
Routes affected: 105, 111, 278, 285, SL9, A10, SL7, U3
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