Then, in the hours after the vote, exit polls suggested parity between his Likud party and the center-left Zionist Union, led by his chief rival, Yitzhak Herzog, with a slight edge for the right-wing bloc. Several hours after the polls closed, it turned out that Likud was the big winner, gaining 30 of the Knesset’s 120 seats, compared to 24 for the Zionist Union.