http://www.bbc.co.uk/news/uk-politics-21972026

 

http://www.telegraph.co.uk/news/politics/conservative/9961214/Tory-MP-urges-caution-over-universal-credit-roll-out.html

http://www.telegraph.co.uk/news/politics/conservative/9961594/New-blow-to-Coalition-welfare-reform-as-Universal-Credit-scheme-delayed.html 

http://new.hbinfo.org/forums/topics/uc-pathfinders 

 

is a link to a discussion thread about this.