Engineering work is affecting First Great Western services between London Paddington and Bristol Temple Meads and Wales. An hourly service is running.
Trains are diverted via Oxford won't call at Reading or Didcot. There are buses between Swindon and Reading.
The London Paddington to Cheltenham service is also affected. Trains are only running to and from Didcot. Passengers for London should change at Oxford.
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Sunny spells with some heavy showers