Leaders of Sinn Féin, SNP, and Plaid Cymru sign memorandum for constitutional change
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John Swinney, Rhun ap Iorwerth, Michelle O'Neill, Mary Lou McDonald
Cardiff, United Kingdom
September 14, 2026
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COMPAMIR Editorial Team
The COMPAMIR editorial team brings together public reporting and links to the original coverage. We update the page as new information emerges.
Read our editorial policy- Earlier version 19/14/2026, 2:01:30 PM
Leaders of Sinn Féin, SNP, and Plaid Cymru met in Cardiff to sign a memorandum of understanding. The agreement calls on the British government to plan for constitutional change and independence referendums. The leaders aim to strengthen cooperation on economic, energy, and international policy.
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