There are delays on South West Trains between Salisbury and Exeter St Davids after an earlier signalling problem.
Disruption is expected until 6.30pm.
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It will be an overcast evening with clouds persisting into the night.
It will be mostly cloudy this evening and tonight, with further outbreaks of rain, affecting northern and eastern parts of the region.
More than 100,000 cases of non-melanoma skin cancer are diagnosed in the UK each year.