Tzipi Livni and spoke to Livni, reassuring her that she was "most welcome in Britain any time." Livni's office later stated that Brown promised to seek legislative changes to ensure no Israeli official would risk arrest while on British soil. Yehuda Blum, Israel's former ambassador to the United Nations and a professor of law at Hebrew University of Jerusalem, commented: "The abuse and misuse of this concept of universal jurisdiction should be discontinued." Blum said the law was intended for use in cases with no clear jurisdiction, such as piracy in international waters, and should not be expanded for political aims. Israeli
Tzipi Livni Olmert decided to step down, and asserted her confidence in her ability to defeat him in a party election should he decline. However, her call was ignored by Olmert and her decision to stay in the Cabinet sparked some controversy. In 2008, Livni condemned a photomontage of Pope Benedict XVI with a swastika displayed on his chest, which was published on a website run by supporters of her Kadima party. Facing multiple criminal investigations for corruption, Ehud Olmert announced his intention to resign his post as prime minister following a Kadima leadership election, which was held on 17 September 2008.