POLICE are responding to a serious crash on Mannington Roundabout. 

Officers were called shortly before 10.45am to the crash, which involved a single BMW. A man has been seriously injured. 

Great Western Way has been closed between Mannington Roundabout and J16 of the M4

Wiltshire Police says the road will be closed for some time.

Update: Wiltshire Police says a man has been seriously injured in the crash. Wiltshire Air Ambulance is at the scene, although he is expected to be taken to hospital by South Western Ambulance Service.