The Ohr Torah Stone family mourns the tragic loss of Second lieutenant Erez Orbach, z”l, a graduate of the OTS Neveh Shmuel Yeshiva High School in Efrat, who was killed in yesterday’s vehicular terror attack in Jerusalem, alongside Lt. Yael Yakutiel, Shir Hajaj and Shira Tzur. Erez, an Officers Course Cadet, volunteered for military service in the IAF …