A lorry has caught fire on a busy motorway section causing headaches for motorists ahead of the busy evening rush hour. The incident is on the A2 London-bound, on the slip road for the M25 at the Darenth Interchange near Dartford. Four fire engines and a bulk water carrier have been sent to the scene where smoke can be seen billowing out. No injuries have been reported. Drivers are being told to expect some delays while crews work to get the blaze under control Visibility is low because of the smoke. More as we get it. For travel news listen to kmfm