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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Jeremy Corbyn's visit has been one of the big talking points of another busy day at Glastonbury.
The Labour leader said socialist politics would not be put "back in a box" as he appeared on stage at the festival.
Turning windier with a few showers