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A lane has been shut and traffic is building after a crash on the A2.
The incident is reported to have involved a car and a motorbike on the dual carriageway near Bluewater.
Queues are growing in the area on the coastbound stretch between the Darenth Interchange from the M25 and the Bean Interchange.
The inside lane of four along the carriageway has been shut.
It is not yet known if anyone has been injured.
An earlier crash approaching the Dartford Crossing is causing major delays of 20 miles after a multi-car crash left a lorry driver stuck.
Police, the fire service and ambulance service have been contacted for information.