The political future of the United Kingdom has come under renewed scrutiny after the leaders of Scotland, Wales and Northern Ireland signed a joint memorandum calling for constitutional changes that could alter the structure of the UK.
The development came days after United States President Donald Trump publicly expressed support for the reunification of Ireland during his visit to the Republic of Ireland.
Scottish First Minister John Swinney, Welsh First Minister Rhun ap Iorwerth and Northern Ireland First Minister Michelle O’Neill signed the memorandum at a summit in Cardiff, calling on the British government to “prepare for, plan and facilitate” constitutional change in the three jurisdictions.
The leaders said Scotland, Wales and Northern Ireland should have the right to determine their respective futures through democratic means, arguing that Westminster should not prevent decisions supported by voters in the devolved nations.
The memorandum also commits the three jurisdictions to greater cooperation in areas including economic policy, renewable energy and relations with the European Union.
The joint declaration represents a significant political challenge to the UK government’s position on the union, although the memorandum itself does not constitute a legal process for any of the territories to leave the United Kingdom. Scotland and Wales, in particular, do not have the same established legal mechanism for independence as the Northern Ireland reunification process provided for under the 1998 Good Friday Agreement.
The development followed Trump’s comments on Irish reunification during his Irish visit.
Trump said he would “love to see” Ireland reunified and suggested that the process would eventually happen. He also said he was not prepared to discuss Scottish independence at the moment, adding that he would address the issue at another time.
Trump’s comments have drawn attention because US presidents have traditionally avoided taking an explicit position on the constitutional status of Northern Ireland. Under the Good Friday Agreement, however, Northern Ireland’s constitutional status can change if a majority in Northern Ireland and a majority in the Republic of Ireland vote for reunification in referendums.
The UK government has rejected the suggestion that constitutional change is imminent.
A spokesperson for Prime Minister Andy Burnham said the government remained committed to the United Kingdom and would focus on addressing economic pressures rather than engaging in further constitutional debates or referendums.
The latest developments have intensified debate over the future of the UK, with nationalist parties in Scotland, Wales and Northern Ireland seeking greater self-determination while the British government continues to defend the union.