Two lanes are closed and traffic is queuing after an accident on the M25. It is causing tailbacks on the anticlockwise carriageway from Junction 3 for the M20 and Junction 2 for the Darenth Interchange. National Highways says it is causing delays of up to 30 minutes. It comes as another crash closed one lane on the anticlockwise entry slip at Junction Junction 2 for the Darenth Interchange from the A2. However, the accident has now been moved to the hard shoulder and the lane closure has been lifted. Police have been approached for comment.