Despite anti-Netanyahu majority, opposition leaders' refusal to rely on Arab parties could force fresh elections or unity government, either of which would keep premier in power

Joint List chairman says he's ready to 'pave the way' for Netanyahu's ouster; with 85.6% of votes counted, PM's bloc on track to win 53 seats, Eisenkot's 48, and Arab parties 19

Likud projected to be largest party; Jewish-led anti-Netanyahu bloc short of a majority unless its leaders violate campaign pledges not to partner with Arab parties, which are set to make unprecedented gains