There's disruption on CrossCountry between Bristol Temple Meads and Birmingham New Street, and between Cardiff Central and Birmingham New Street. This is due to a person being hit by a train between Cheltenham Spa and Ashchurch.
There is no current estimate for when a normal service will resume. It's also affecting First Great Western.
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Helen has the forecast for Devon, Cornwall, Somerset and Dorset.
Helen has the forecast for Bristol, Wiltshire, Somerset, Gloucestershire and Dorset.
Figures obtained by ITV News West Country show that drivers in Plymouth spend over two working days a year stuck in gridlock in the city.