Speaking at the conference on Friday, former Welsh assembly Presiding Officer Lord Elis-Thomas told party members that withholding the licence fee "no longer belongs to policy development in a constitutional political party".

BBC: S4C headquarters in Cardiff

Constitutional documents: an assembly of key items charting the development of Australian democracy.

UNESCO: Communication et information

And on the crowded day that the pace picked up on the constitutional future of Scotland, this risks being overshadowed in what it could bring to balance economic development across Britain.

BBC: Going bananas for speedy rail