Courtesy of fansite Doctor Who Hub, there's a rumour that BBC have put up a placeholder on their websites.

http://www.bbc.co.uk/blogs/doctorwho/articles/Welsh-Hero-is-the-Twelveth-Doctor

Welsh?

However, changing the URL to anything gets to a similar page, just without the social network likes. Which that site and such fuss may well have generated. Such as;

http://www.bbc.co.uk/blogs/doctorwho/articles/The-Next-Doctor-Is-David-Cameron

However, Rankin, who Bleeding Cool earlier reported took the photo of the Next Doctor today, has also started following the young Welsh actor Aneurin Barnard, recently seen in the BBC One production The White Queen. Which follows shortly after the Live Doctor Who show tonight.

Place your bets, ladies and gentlemen, place your bets…

UPDATE: Another smoking gun. We should have an arsenal now…

@Aneurin_Barnard unable to say at this time I'm afraid — aneurin barnard (@aneurinBarnard) August 2, 2013

Although, could it just be a ruse from the folks of Wales Online to push their favourite son?