There's disruption on the First Great Western line between Cardiff and London Paddington.
It means no trains are running between Bristol Temple Meads and London Paddington; Cheltenham Spa and London Paddington; and Oxford and London Paddington. It's due to signalling problem between Didcot Parkway and Swindon.
Tickets being accepted on CrossCountry and Virgin Trains services.
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Patchy rain & drizzle with a cloudy start