A collision that left the Heathrow Tunnel closed in both directions and sparked massive queues on approach to the airport's Terminals 2 and 3.

There is severe congestion on the M4 Heathrow Spur and the A4 Bath Road, with eight bus routes on diversion. Traffic cameras are showing cars gridlocked across three lanes on juntion 4 as tailbacks stretch towards the airport.

Drivers and travellers are warned to plan ahead as heavy congestion is expected. 09:48 KEY EVENT

Car smashed into central reservation

Delays on the M4 this morning came after a car smahed into a central reservation on East Ramp, the London Fire Brigade has said.

"We were called at 0705 hrs today (7 November) to a report of a road traffic collision near Heathrow Airport," the LFB said in a statement. "One car had

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