In Edinburgh, dozens of old catering carriages are being converted for use on trains from South Wales to London.
It means there will be more room for passengers travelling on peak time services to and from Paddington. First Great Western says it will help to alleviate overcrowding.
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Rain moving east, will spread across Wales in the first half of the night, some likely heavy.
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The Lesbian, Gay, Bisexual and Transgendered communities in Cardiff are celebrating 30 years of campaigning; as part of LGBT History Month.