Wimborne Road is closed in both directions due to a serious accident between Tarrant Rushton turnoff and Tarrant Keyneston crossroads.
The accident is outside the Ashley Wood golf club, and the road is likely to remain closed until mid afternoon.
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Bridgwater and West Somerset is considered a Conservative safe seat - in 2010 they had a majority of over 9,000 votes.
Camborne and Redruth is a marginal seat. The Conservatives won it in 2010 by just 66 votes - a 0.16% majority.