An accident on the A21 during rush hour has blocked one carriageway and is causing six miles of congestion. The crash involving several vehicles is on the dual carriageway Tonbridge bypass in a southbound direction.

National Highways said drivers were facing delays of one hour. The incident, which happened some time before 7.10am, is at the A225 turn off for Hildenborough and Sevenoaks . Congestion is reaching back along the Sevenoaks bypass.

Kent Police and SECAmb ambulance crews are at the scene. Traffic monitoring site Inrix said at 8.21am: "A21 Tonbridge Bypass Southbound blocked long delays, queueing traffic for three miles due to accident, several vehicles involved at A225 (Hildenborough/Sevenoaks Turn Off).

"Congestion to back along the Sevenoaks Bypass, roadworks queues

See Full Page