Wiltshire Air Ambulance has landed in a field in Swindon for a nearby emergency.
Critical care medics are working with South Western Ambulance Service within a private address on Gable Close, where Abbey Meads meets the Penhill valley.
The helicopter landed off Atworth Close, near just metres from the scene, at around 10.30am.
Two ambulances, a rapid response vehicle and a critical care response car are also at the incident.
