(L to R) Rhun ap Iorwerth of Plaid Cymru in Wales, Scottish Nationalist Party (SNP) leader John Swinney, Mary Lou McDonald, president of Irish Republicans Sinn Fein and Michelle O'Neill, vice president of Irish Republicans Sinn Fein pose together as they attend a meeting in Cardiff, Wales on September 14, 2026, to press for self-determination votes in their territories. The leaders of the main Scottish, Welsh and Northern Irish separatist parties were to hold rare talks on September 14 aiming to advance their campaigns to break away from Britain, they announced in a statement. (Photo by Adrian DENNIS / AFP via Getty Images)