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Drivers have been warned to expect delays after a crash between a car and a lorry on the approach to the Dartford Crossing this morning.
One lane has been closed on the M25 following the accident close to junction 1B at Swanscombe.
Queues have stretched back to junction 3 at Swanley. The Highways Agency has forecasted normal conditions to resume at 1pm.
Police are at the scene.