Four people needed medical treatment after a crash on a busy road caused hour-long delays. The emergency services were called to Dock Road, Chatham, just before 7.30am to a collision involving two vehicles. A South East Coast Ambulance Service spokesman said: “Crews arrived and assessed and treated four people at the scene.” A police spokesperson also confirmed they were at the scene but said the injuries recorded were not believed to be life-threatening. Two fire engines also attended, and crews helped to make the scene safe. It has been reported that traffic in the area is heavier while the …