An individual was seen pushing an activist for the B'Yachad party in Tiberias, according to footage circulating online.
The footage also appears to show the individual tearing down the party's signs.
A complaint has been filed with Israel Police regarding the incident.
Earlier, the Haredi Public Party also announced that its members had been violently attacked at polling stations in Bnei Brak, Beit Shemesh, and Betar Illit, where it had established information stations for potential voters.
Yosef Rosberger, one of those attacked in Beit Shemesh, shared in a video circulated online that a protester had arrived at the Haredi Public Party's table and "shook our whole stand, threw everything on the floor."
Protesters vandalize Beit Shemesh polling station
The individual tore party signs hanging near the stand. When Rosberger confronted the man, He said he "received a fist to the face."
The party said it filed a complaint with both Israel Police and the Central Elections Committee.
Protesters also vandalized a polling station in Beit Shemesh on Election Day, putting up signs calling on people not to vote and dumping garbage outside the entry gate.