The intensely competitive nature of the UK food retail sector came to the fore this week, with Tesco outlining how it believes it can revitalise stagnant sales, Morrisons underlining its plans to develop its fresh food offer and Waitrose insisting it will continue to be fight hard on price. The end of the week also saw the announcement that a consortium led by Iceland Foods chief executive Malcolm Walker had acquired the UK frozen foods retailer. Across the Channel, Carrefour confirmed its profits slumped in 2011 and said it would cut capital expenditure this year. And Dairy Crest, the UK's largest dairy processor, said it was mulling whether to sell its French unit St Hubert. Click on the headlines for more.