Five people are reported to have been injured after a crash on the A303.
The road is closed in both directions between A358 / B3168 Station Road (Southfields Roundabout) and A356 (South Petherton).
There is queueing traffic due to the multi-vehicle accident and the Somerset Air Ambulance in the road.
Emergency services remain on scene and there are no estimates as to how long the road will remain closed.
The crash is affecting traffic between Ilchester and Honiton and all the way to Taunton.
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