Israeli officials spent much of the day examining whether the incident aboard Flight FZ1073 was an attempted terrorist attack.
The 43-year-old drew the hateful symbols and then gave a Nazi salute, which was captured on surveillance videos.
Shaare Zedek Medical Center in Jerusalem said Wednesday night that after undergoing lifesaving procedures in its trauma unit, Leiter underwent complex brain surgery lasting several hours along with additional treatments.
The director of security at Temple Israel was injured in the attack, the Reform congregation said.
Ayatollah Killed in U.S.-Israel Airstrikes; Regime Retaliation Kills 9 Israelis, 3 U.S. Troops; Synagogue Destroyed in Beit Shemesh; First Reports of Injuries in Jerusalem; 100,000 IDF Reservists Called up
