Israeli Prime Minister Benjamin Netanyahu and his wife Sara wave as Netanyahu speaks following the announcement of exit polls in Israel's parliamentary election at the party headquarters in Tel Aviv, Israel April 10, 2019. REUTERS/Ammar Awad TPX IMAGES OF THE DAY 

Benny Gantz, head of Blue and White party, delivers a speech following the announcement of exit polls in Israel's parliamentary election at his party headquarters in Tel Aviv, Israel April 10, 2019. REUTERS/Amir Cohen TPX IMAGES OF THE DAY 

A supporter of Israeli Prime Minister Benjamin Netanyahu's Likud party waves flags, one bearing the name of U.S. President Donald Trump, as the crowd reacts to exit polls in Israel's parliamentary election at the party headquarters in Tel Aviv, Israel April 10, 2019. REUTERS/Ronen Zvulun 

Israeli Prime Minister Benjamin Netanyahu is greeted by supporters of his Likud party as he arrives to speak following the announcement of exit polls in Israel's parliamentary election at the party headquarters in Tel Aviv, Israel April 10, 2019. REUTERS/Ronen Zvulun TPX IMAGES OF THE DAY 

Israeli Prime Minister Benjamin Netanyahu and his wife Sara react as they stand on stage following the announcement of exit polls in Israel's parliamentary election at the party headquarters in Tel Aviv, Israel April 10, 2019. REUTERS/Ammar Awad 

Benny Gantz, head of Blue and White party, kisses his wife Revital as he delivers a speech following the announcement of exit polls in Israel's parliamentary election at his party headquarters in Tel Aviv, Israel April 10, 2019. REUTERS/Amir Cohen 

Benny Gantz, head of Blue and White party, holds hands with his party candidates Yair Lapid, Moshe Yaalon and Gaby Ashkenazi, as they react to exit polls in Israel's parliamentary election at the party headquarters in Tel Aviv, Israel April 10, 2019. REUTERS/Corinna Kern 

Israeli Prime Minister Benjamin Netanyahu and his wife Sara react as they stand on stage following the announcement of exit polls in Israel's parliamentary election at the party headquarters in Tel Aviv, Israel April 10, 2019. REUTERS/Ronen Zvulun 

Israeli Prime Minister Benjamin Netanyahu hugs his wife Sara as they stand on stage following the announcement of exit polls in Israel's parliamentary election at the party headquarters in Tel Aviv, Israel April 10, 2019. REUTERS/Ronen Zvulun 

Supporters of Benny Gantz's Blue and White party react to exit polls in Israel's parliamentary election at the party headquarters in Tel Aviv, Israel April 9, 2019. REUTERS/Corinna Kern 

Supporters of Benny Gantz's Blue and White party react to exit polls in Israel's parliamentary election at the party headquarters in Tel Aviv, Israel April 9, 2019. REUTERS/Corinna Kern 

Supporters of Israeli Prime Minister Benjamin Netanyahu's Likud party react to exit polls in Israel's parliamentary election at the party headquarters in Tel Aviv, Israel April 10, 2019. REUTERS/Ronen Zvulun 

A combination picture shows Benny Gantz (left), leader of Blue and White party voting at a polling station in Rosh Ha'ayin and Israel’s Prime Minister Benjamin Netanyahu voting at a polling station in Jerusalem during Israel's parliamentary election April 9, 2019. REUTERS/Nir Elias, Ariel Schalit/Pool via REUTERS 

Benny Gantz, leader of Blue and White party, celebrates with supporters and his wife Revital after casting his ballot as Israelis began voting in a parliamentary election, near a polling station in Rosh Ha'ayin, Israel April 9, 2019. REUTERS/Nir Elias TPX IMAGES OF THE DAY 

Israel’s Prime Minister Benjamin Netanyahu casts his vote with his wife Sara during Israel's parliamentary election in Jerusalem April 9, 2019. Ariel Schalit/Pool via REUTERS *** Local Caption *** 

Israeli border policewomen wait to vote in national elections a day before polling stations open in the rest of Israel, at a base in Beit Horon settlement in the Israeli-occupied West Bank April 8, 2019. REUTERS/Nir Elias TPX IMAGES OF THE DAY 

An ultra-Orthodox Jewish man helps kids cast his ballot at a polling station as Israelis vote in a parliamentary election, in Jerusalem April 9, 2019. REUTERS/Ronen Zvulun TPX IMAGES OF THE DAY 

A girl casts a ballot on behalf of her father as Israelis vote in a parliamentary election, at a polling station in Tel Aviv, Israel April 9, 2019. REUTERS/Corinna Kern 

A man holds his dog by a leash while he casts his ballot as Israelis vote in a parliamentary election, at a polling station in Tel Aviv, Israel April 9, 2019. REUTERS/Corinna Kern 

Ayman Odeh, leader of Hadash-Ta'al party, holds up his ballot paper as he stands behind a voting booth and carries his son on his shoulders as Israelis began voting in a parliamentary election, at a polling station in Haifa, Israel April 9, 2019. REUTERS/Ammar Awad 

An ultra-Orthodox Jewish man stands behind a voting booth as Israelis vote in a parliamentary election, at a polling station in Jerusalem April 9, 2019. REUTERS/Ronen Zvulun 

Ultra-Orthodox Jewish boys stands next to their father behind a voting booth as Israelis vote in a parliamentary election, at a polling station in Jerusalem April 9, 2019. REUTERS/Ronen Zvulun 

Benny Gantz, leader of Blue and White party, takes a selfie together with supporters outside the party headquarters in Tel Aviv, Israel April 8, 2019. REUTERS/Amir Cohen 

Israeli Prime Minister Benjamin Netanyahu speaks as he visits Mahane Yehuda Market a day ahead of Israeli national elections, in Jerusalem April 8, 2019. REUTERS/Ronen Zvulun TPX IMAGES OF THE DAY 

A man walks by as a Labour Party election campaign billboard depicting top candidates and party head Avi Gabbay is seen in Tel Aviv, Israel April 8, 2019. REUTERS/Amir Cohen 

Part of an election campaign billboard depicting Moshe Kahlon, Israeli finance minister and leader of Kulanu party, is seen in Tel Aviv, Israel April 8, 2019. REUTERS/Amir Cohen 

An election campaign billboard depicting Benny Gantz, leader of Blue and White party, is seen in Tel Aviv, Israel April 8, 2019. REUTERS/Amir Cohen 

Pigeons fly past an election campaign billboard depicting Benny Gantz, leader of Blue and White party, in Tel Aviv, Israel April 8, 2019. REUTERS/Amir Cohen 

An Israeli border policewoman stands behind a mobile voting booth as she votes in national elections a day before polling stations open in the rest of Israel, at a base in Beit Horon settlement in the Israeli-occupied West Bank April 8, 2019. REUTERS/Nir Elias 

Likud party supporters, one wearing a mask depicting U.S. President Donald Trump, hold election campaign placards, one depicting Israeli Prime Minister Benjamin Netanyahu, as they walk past stalls in Mahane Yehuda Market in Jerusalem April 7, 2019. The placard reads in Hebrew: "Netanyahu Protector of Israel" REUTERS/Ronen Zvulun 

An ultra-Orthodox Jewish man walks past a Likud election campaign poster depicting Israeli Prime Minister Benjamin Netanyahu in Jerusalem April 7, 2019. REUTERS/Ammar Awad 

Benny Gantz, leader of Blue and White party, speaks at an election campaign event in Ashkelon, Israel April 3, 2019. REUTERS/Amir Cohen 

Supporters of Zehut, an ultra-nationalist religious party, hold an inflatable joint in an election campaign event in Tel Aviv, Israel April 2, 2019. REUTERS/Corinna Kern 

Moshe Feiglin, leader of Zehut, an ultra-nationalist religious party, speaks at an election campaign event in Tel Aviv, Israel April 2, 2019. REUTERS/Corinna Kern