At least 51 police investigations are open today over suspicions of voter fraud.
The cases include impersonating other voters, falsifying ballots and stealing party slips.
Out of nearly 800 fraud accusations made to police today, one suspect is already under arrest and 23 are being held for investigation.
In Safed, a 24-year-old resident arrives at the polling booth and discovers he is already listed as having voted.
In Umm al-Fahm, one senior polling station coordinator is arrested after he is allegedly seen placing multiple envelopes into the ballot box.