Jerusalem, Nov. 4 -- Israel's election chief on Wednesday warned that casting doubt on the integrity of the October 27 parliamentary elections posed a "real danger" to democracy, as President Isaac Herzog received the final results amid political uncertainty and an investigation into alleged foreign interference and vote-buying.

The election results have left neither the bloc led by Prime Minister Benjamin Netanyahu nor the opposition with the 61 seats required to form a government in the 120-member Knesset, setting the stage for potentially difficult coalition negotiations.

The ruling bloc secured 53 seats, while the opposition bloc led by Gadi Eisenkot won 48. Two lists representing Palestinian citizens of Israel secured a combined 19 s...