One lane is blocked due to an accident on the A31 westbound between The Street (Botany Bay Inne junction) and the A35 (Shell roundabout).
It's between Winterborne Zelston and Bere Regis.
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Wednesday will be wet to start with and will remain overcast for much of the morning, perhaps with mist and hill fog for some.
Wednesday will start damp and cloudy, perhaps with mist and hill fog for some.
A light breeze winds across the region, with clouds and rainy spells. There may be mist or fog in places.