MP calls for Prime Minister's resignation amid Panama share ownership

David Cameron's (pictured) admission he had held shares in his dad's offshore fund before he became Prime Minister prompted Labour MP and Treasury Select Committee member John Mann to call him a "hypocrite" before saying he "has no choice but to resign". Labour's deputy leader Tom Watson also said the PM may need to quit and has more questions to answer. He told Sky News: "He has to be fully transparent. It's no good just saying he's going to publish his tax returns because that won't show what his investment portfolio was and we need to know that now. "He's condemned other people ...