The public are being advised to avoid the Dartford Tunnel at present if they can, after an incident which led to the closure of two lanes just after 11am.
There is queueing traffic on the M25 anticlockwise at A282 (Dartford Tunnel toll booths), and congestion on M25 to J1b A282 / A296 Princes Road (Dartford).
Kent Police are investigating the incident on the QE2 Bridge. Traffic is now using the Dartford Tunnels, but traffic is only running in two lanes in each direction.
More top news
The latest weather for the east with Philippa
The latest weather for the west with Philippa
A group of divers have commemorated one century since the end of World War One by hanging a plaque on the bow of a shipwreck off Shoreham.