Kent Police officers remain at the scene of a collision reported to have involved 13 vehicles on the A26 London Road, Southborough.A 33-year-old man has been arrested on suspicion of causing serious injury by driving dangerously following the incident, which was reported at 3.30pm. He remains in custody.
No life-threatening injuries have been reported.
The road has been closed between Speldhurst Road and Western Road.
Ambulance staff and firefighters are also at the scene, and the police helicopter is taking aerial photographs of the collision.