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Trevor Greenfield, 74, and his wife, Eileen, 68, were among the group of eight passengers stranded at Swindon, having boarded the train from London Paddington to Carmarthen.

Simon Hart, ex-MP for Carmarthen West and South Pembrokeshire, was named alongside other former cabinet ministers in former prime minister Rishi Sunak's resignation honours list.

London, Reading, Oxford and Cambridge are among places expected to experience the 22C warmth on Friday afternoon, while Cardiff and Carmarthen in Wales could see 21C around the same time.

The former Carmarthen West and South Pembrokeshire MP has published diaries on his time in the UK cabinet, first as secretary of state for Wales under Boris Johnson and then as Rishi Sunak's chief whip, enforcing party discipline.

Price went on to become the MP and later Senedd Member for Carmarthen East and Dinefwr, and was the leader of Plaid Cymru for five years.