The police are to examine claims that a huge mobile phone hacking operation was launched by the News of the World, targeting thousands of people. The Guardian says the Sunday paper's reporters paid private investigators to hack into phones, many of them owned by politicians and celebrities. It is alleged details were suppressed by the police and the High Court.
Prime Minister Gordon Brown said: "This raises questions that are serious and will obviously have to be answered." Metropolitan Police Commissioner Sir Paul Stephenson has ordered a senior officer to "establish the facts".