Cardiff, Sept. 13 -- The leaders of Scotland, Wales and Northern Ireland are set to meet in Cardiff on Monday to discuss plans that could reshape the future of the United Kingdom, including demands for greater control over their constitutional affairs and closer ties with the European Union, according to The Telegraph.

The meeting is expected to produce a joint declaration asserting the three nations' right to determine their futures, potentially including independence referendums, in a move likely to intensify the debate over the future of the United Kingdom.

Scottish First Minister John Swinney, Welsh First Minister Rhun ap Iowerth and Northern Ireland First Minister Michelle O'Neill are expected to sign a joint declaration setting out ...