Two air ambulance teams are currently attending a serious incident in Seend.
Emergency services were called to the scene behind the Post Office in High Street at around 4.30pm.
The Hampshire and Isle of Wight Air Ambulance helicopter and Wiltshire Air Ambulance rapid response car are both attending, bringing two critical care teams to the incident.
A member of the public told Wiltshire 999s that a wall has fallen on a construction worker.
Two ambulances, an ambulance rapid response vehicle and two police cars are also at the scene.
One casualty has been taken into an ambulance which left the village on blue lights and sirens.
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