South West Trains tweeted this picture of a tree on the line at Sherborne. They say staff are expected on site to move it in the next 20 minutes.
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Teenagers across Wales, Northern Ireland and England are to get their results, with much of the focus on the effect of reforms in England.
Helen has Thursday's forecast for the west of the ITV Meridian region.
Helen has Thursday's forecast for the east of the ITV Meridian region.