Michael White in Westminster hears from Harriet Harman on the five-way race for the Labour leadership as her nominee Diane Abbott has made it onto the ballot paper with only seconds to spare. Also key Abbott supporter David Lammy, and Ian Austin who's backing Ed Balls.
Meanwhile the set-piece event in parliament was prime minister's questions, where the party leaders squared up over civil liberties and David Cameron announced that he would be flying the flag of St George over Downing Street for the World Cup. Simon Hoggart, the Guardian's parliamentary sketch-writer, gives his view of proceedings.
A study has been published into the genetic causes of autism. At the Guardian's HQ, Alok Jha tells Jon Dennis about its implications for people with autism.
Middle East editor Ian Black explains how the latest UN sanctions against Iran will affect efforts to prevent Tehran from developing nuclear weapons.
And Maev Kennedy reports from Skin, a new exhibition at London's Wellcome Collection that focuses on the uses and abuses of the human body's largest organ.