An incident on the A350 at Beanacre has forced the road to close.
Motorists have been asked to avoid the A350 at Beanacre following an incident which has forced the road to close.
The closure has been caused by a collision involving a Ford Fiesta and a police car shortly after 11am.
It is not believed that there are any serious injuries.
A Wiltshire Police spokesman said: "Recovery has been arranged for the police car and the road has closed while this takes place."
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