Dan Thomas
United Kingdom
Reform UK
Member of the 7th Senedd
government
Daniel Thomas is a British politician who served as leader of the opposition in Wales from May to September 2026, and leader of Reform UK Wales from February to September 2026. He was elected as a member of the Senedd (MS) for Casnewydd Islwyn in the 2026 election.
Standing...
Stories...
Sep 16, 2026
Lean Left
The Reform UK leader in Wales resigned after being arrested, failing to appear for the first session after summer recess in Cardiff Bay.
Labour will seize on this as evidence that Reform UK is not a serious party of government, and use it to argue that right-wing populism collapses under scrutiny.
Sep 16, 2026
Far Left
Leader of Reform UK in Wales stood down after arrest on suspicion of assault and controlling or coercive behaviour, on the same day a Reform MS defected to Plaid Cymru.
Radical left voices cite this as evidence of Reform UK's toxic culture and the instability of the far right, though they warn its electoral threat persists.