Sgt. Eytan Barak, 20, from Herzliya, member of the Nahal Division, was killed in an engagement in the Gaza Strip, shortly after the IDF ground operation against Hamas was launched Thursday night. His family has been informed. The cause of his death is under investigation. Four soldiers were injured and three evacuated to hospital. The IDF said 14 armed Palestinians were killed in a number of initial exchanges of fire. Palestinian rocket launchers, tunnels and more than 100 other targets were attacked on the first night.