History of Israel exchange for the Lebanese terrorist Samir Kuntar, four Hezbollah prisoners, and the bodies of 199 Palestinian Arab and Lebanese fighters. Olmert came under investigation for corruption and this led him to announce on 30 July 2008, that he would be stepping down as Prime Minister following election of a new leader of the Kadima party in September 2008. Tzipi Livni won the election, but was unable to form a coalition and Olmert remained in office until the general election. Israel carried out Operation Cast Lead in the Gaza Strip from 27 December 2008 to 18 January 2009 in response to
Tzipi Livni the UN Security Council was influenced by his talks with Livni and former president Shimon Peres, who said such a move could serve the political interests of those opposing the peace process. After the dissolution of the Knesset in December 2014, Labor leader Isaac Herzog and Livni announced a joint slate between Labor and Hatnuah, called the Zionist Union, to contest the 2015 elections in an effort to keep Netanyahu, leader of the Likud Party, from securing a fourth term as prime minister. They proposed to share the role of prime minister (an arrangement known in the Knesset as rotation)