There are delays of up to 45 minutes on trains between Bristol Temple Meads and Swindon due to a landslip at Chippenham.
First Great Western do not currently have an estimate for when a normal service will resume.
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Sunshine and showers today, cloudy with rain tomorrow.
Sun and showers today, cloudy with rain tomorrow.
A detective who helped bring the double murderer Christopher Haliwell to justice says he could also have killed Claudia Lawrence.