The pamphlet, distributed across Caerphilly, criticises Mr ap Iorwerth's comments to the BBC that some Welsh areas require more immigration. It also draws attention to Plaid Cymru candidate Lindsay Whittle's remarks, where he said that "immigration wasn't a major issue affecting Caerphilly" and questioned its relevance to the by-election. Plaid Cymru supports Labour's Nation of Sanctuary scheme for asylum seekers, which, according to Reform UK, has cost around £55 million to date. Reform UK said that Plaid Cymru have requested more "powers and resources to make good on our pledge to become a Nation of Sanctuary" and have committed to free public transport for refugees. Reform UK's Caerphilly by-election candidate Llŷr Powell said: "Plaid Cymru are burying their heads in the sand if they think that immigration isn’t a relevant issue in this election.