Emergency services are currently in attendance after a collision between a car and bus on a busy Chesterfield roundabout.
Police were called to the Horns Bridge roundabout after reports the Jaguar car and bus had collided at around 11.40pm.
One lane off the roundabout, heading into the town centre, is partially blocked.
An ambulance is also at the scene and a woman is currently being treated for shock.
A police spokesman said injuries are currently unknown.