Plaid Cymru wins by-election
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Keir Starmer’s Labour Party has suffered a local byelection defeat in a traditional Welsh stronghold, losing Caerphilly for the first time in any election in a century to the nationalist party Plaid Cymru.
Plaid Cymru won a special election for the Welsh Parliament, delivering a blow to the UK’s governing Labour Party, which had never before lost in the Caerphilly seat.