This is a very interesting case, as it shows the power of goverment owned (or nationalised) companies against competition. Similar concerns have been expressed in the past for the power of BBC.
Northern Rock cuts savings deals
Northern Rock has withdrawn a number of savings deals to new customers to ensure it does not abuse any competitive advantage.
The nationalised bank is one of few financial institutions that has a 100% guarantee for the safety of customers' savings, as it is government-backed.
Read the whole article at: http://news.bbc.co.uk/1/hi/business/7647914.stm