The pings picked up by underwater sonar could locate Flight MH370.An expert explains how to Martha Kearney. An emotional Oscar Pistorius takes the stand in his own trial. The whispering campaign among MPs against Culture Secretary , Maria Miller . Attorney General , Dominic Grieve defends adversarial questioning of victims in the courts despite recommendations from the former DPP , Sir Keir Starmer for change. Russian activists declare the region of Donetsk 'independent'. And a Tory Council in Oxfordshire says it can't deliver free school meals by the government's deadline.
Analysis of current affairs reports, presented by Martha Kearney.