A similar news was published in The Telegraph on 20 Feb 2011 and nothing happened:
http://www.telegraph.co.uk/finance/n...-Atlantic.html
In 2010 similar headlines surfaced, without any conclusion:
http://www.bloomberg.com/news/2010-1...-approach.html
This time, the Sunday Times seems to have another source (unmentioned). That DL offers to buy SQ stake makes some sense, but only if AFKL do buy some of Sir Branson's shares. A menage à trois DL, AFKL, Branson would be interesting.