© Licensed to London News Pictures. 03/12/2012. London, UK. Wearing masks representing David Cameron and Rupert Murdoch, members of activist group Avaaz protest outside Parliament in London today (03/12/12). The group, who say they are backed by 28,000 people, want to see a 20% cap imposed on the amount of media that any one person or company can own. Photo credit: Matt Cetti-Roberts/LNP