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 multiple policy disagreements boiled over, and Netanyahu fired Livni along with Finance Minister Yair Lapid from their posts, accusing the two of plotting a "putsch" to overthrow the government. Livni and Lapid had often criticized government decisions, which Netanyahu claimed amounted to an "opposition within the coalition," and made it "impossible to govern." A particular source of frustration for Netanyahu was Livni's control of the powerful ministerial committee on legislation. In December 2014 (after Livni had been dismissed as a cabinet minister), Secretary of State John Kerry told European Union ambassadors that his stance against a unilateral Palestinian measure at