A car crash inside Heathrow Tunnel is causing delays towards Terminals 2 and 3 in London.
The internal tunnel leading towards the airport was shut in both directions for about an hour this morning amid the incident.
Traffic on the M4 Heathrow Spur and the A4 Bath Road is moving slow, and multiple bus routes are on diversion amid the incident.
Travellers are being warned to plan ahead to not get trapped in the gridlock this morning.
The nature of the incident remains unclear, and it has not been confirmed if anyone has been injured.
Metro has contacted the London Fire Brigade for a comment.
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