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Editorial: Plaid Cymru’s win in Caerphilly marks more than a local upset. It exposes the exhaustion of Labour’s moral imagination – and a deeper British crisis of purpose

If any seat has a claim to be part of Labour’s electoral heartland, it is Caerphilly. Labour’s electoral dominance there reaches all the way back to the creation of the constituency in the 1918 UK general election, when Alfred Onions became the the first of many Caerphilly Labour MPs. This…

Lindsay Whittle won the Caerphilly Senedd seat with a majority of 3,848 votes and a swing of almost 27% from Labour.

Cabinet Office minister Nick Thomas-Symonds said the result pointed to a ‘fractured political landscape’.

The Welsh town’s byelection was a two-party race – but this time neither Labour nor the Conservatives were in it

Plaid Cymru ‘now well placed to provide Wales with its next first minister’, says top pollster

Plaid Cymru’s byelection victory signals a seismic shift in Welsh politics that will rattle Westminster

In today’s newsletter: Labour has been the largest party in Wales at every general election since 1922. Last night, that history came to an abrupt and painful end – but it was also a disappointing evening for Nigel Farage

Labour came a distant third with only 11.02% of the vote - as swing of almost 27% from the party