The Ohr Torah Stone family mourns the tragic loss of Major Yochai Kalangel, z”l, a graduate of the OTS Derech Avot High School in Efrat, who was killed in yesterday’s ambush on the Lebanese border. A 25-year-old Company Commander in the Givati Brigade, Kalangel fell alongside Staff-Sergeant Dor Haim Nini, 20, when Hezbollah antitank missiles struck their IDF …