All lines have now reopened and trains can run on their normal routes after disruption on First Great Western due to a signalling problem between Didcot Parkway and Swindon.
There are still delays of around 30 minutes to services and buses remain in operation. First Great Western expect normal service to resume from around 1pm.
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Thursday night's weather for the east of the region
Thursday night's weather for the west of the region
Thursday afternoon's forecast for the east of the region