The chance discovery of some rare 500 year old printed pages from William Caxton which were stuck in another book. Strictly has a new head judge find out more about the queen of latin later in the programme. And coming up in the sport later in the hour on bbc news a lucky escpae for chris froome the Tour De France champion was unhurt after getting knocked off his bike by a hit and run driver. Good afternoon and welcome to the bbc news at one. The Prime Minister says britains Energy Market isnt working and has vowed to end what she described as rip off bills. Theresa may has confirmed that the conservative Party Manifesto will propose a cap on Energy Prices for anyone on a standard variable tarriff. The party says this would benefit 17 million households. Our Political Correspondent chris mason reports. Cook our lunch, making a brew, heating our home we have all got to do it, but its not cheap and the conservatives say too many are being ripped off. The key thing is that people are clea