A lorry crash on the M25 towards the Dartford Crossing is causing significant delays.

Anti-clockwise traffic is being held from Junction 2 (Darenth) to the crossing, as emergency services attend the scene.

Three lanes have been closed.

There are unconfirmed reports that the driver suffered a medical emergency. 

A spokesperson for Kent Police said: "Kent Police was called between junction 1b and 1a of the M25 at 3.23pm on Tuesday, 7 July 2020 following a report of a serious road traffic collision involving one vehicle.

"South East Coast Ambulance Service have been called to the scene and three lanes are currently closed.

"Motorists are being advised to avoid the area."