An air ambulance has landed following a serious road traffic collision on the A36 in Wiltshire.
Emergency services were called to the crash near Warminster at around 12.30pm on Friday, October 16.
The Great Western Air Ambulance Charity helicopter was among the emergency services sent to the scene and landed close to the collision.
Police have closed the A36 in both directions between the Deverill Road roundabout and Cotley Hill Roundabout while the incident is dealt with.
Further details about the vehicles involved and any casualties have not yet been confirmed.
Motorists are being advised to avoid the area and find an alternative route while the road remains closed.
