The Cheltenham bound carriageway of the Golden Valley is currently closed following a collision involving a police car and a 4x4 car.
The collision happened shortly before 9.20am and the road has been closed so that the vehicles can be recovered and the scene cleared.
The driver of the 4x4 is being assessed by paramedics and the occupants of the police car are not believed to have sustained any injuries.
Drivers are asked to find alternative routes for the time being.
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