Plaid Cymru has won 43 seats in the Senedd election, ending Labour’s grip on power in Wales for the first time since devolution. Leader Rhun ap Iorwerth will seek to form a government and be nominated as First Minister.

Plaid Cymru has become the largest party in the Senedd with 43 seats, ending Labour’s century-long dominance of Welsh politics in a record-turnout election held under a new proportional voting system.

First Minister Eluned Morgan has called on the UK Labour government to change direction after losing her seat in Ceredigion Penfro, becoming the first sitting head of government in the UK to lose their own constituency.

Eluned Morgan has become the first leader of a UK government to lose their seat while in office, as Labour’s century-long run of election successes in Wales came to an end in the 2026 Senedd election.

Plaid Cymru has won 24 of 54 seats declared so far in the 2026 Senedd election, with Sir John Curtice projecting the party will finish with between 41 and 46 seats. Labour has suffered huge losses, winning just six seats so far.

YouGov’s final MRP model for the 2026 Senedd election projects Plaid Cymru will win 43 seats, with Labour facing their worst Welsh result in over a century on just 12% of the vote.

The final More in Common MRP projection before the Senedd election shows Plaid Cymru and Reform UK tied on 34 seats each, with Labour facing a historic collapse to just 14 seats and no clear path to forming a government.

Gwynedd Cllr Gareth Roberts has been suspended by Plaid Cymru and faces an investigation after claiming immigration was harming the Welsh language in Bangor.

Welsh Labour has become the first party to release costings for its Senedd election manifesto, putting a £347m price tag on key pledges including free secondary school meals and expanded childcare – but leaving out its £4bn hospital rebuilding programme.

A Survation poll for S4C and Aberystwyth University puts Reform UK on 30% and Plaid Cymru on 28%, with Labour trailing on 15% just over a week before polling day.

A new Find Out Now poll puts Plaid Cymru on 29% and Reform UK on 27%, with Welsh Labour slipping to just 10% ahead of the Senedd election.

Eluned Morgan has acknowledged she could lose her Ceredigion Penfro seat, using canned cocktails to explain the voting system and urge Labour supporters to turn out.