Police have closed the A346 in both directions following a two car crash.
Fire crews from Swindon and Stratton are working to release a person from one of the cars. There are four casualties in total.
Great Western Air Ambulance are attending the crash, along with police, paramedics and fire crews.
Firefighters were called to the scene, south of Chiseldon, by Wiltshire Police shortly before 3.40pm.
Traffic is slow and heavy on the A346.
More to follow.
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