A serious accident has closed the A39 between the B3139 New Street (Wells) and the B3135 (Green Ore).
Traffic is reported to be heavy around the closure points.
Diversion route - B3139 through West Horrington and then B3135 to Green Ore.
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Cloud will thicken and rain will strengthen in the early hours, creating a blustery night.
Cloud will thicken across the region overnight and there may be outbreaks of rain.
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