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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A Royal Marine from Northern Ireland who built explosives for an Irish republican paramilitary group had 43 hides, a court has heard.
A mostly dry evening leading to a clear night with a possible breeze.
The afternoon showers will ease to leave a dry and bright evening. This will give a mostly dry night, with clear spells.