A preliminary investigation into the fall of the four soldiers killed in Jabaliya Tuesday morning reveals that the force entered a building during a nighttime activity, and a charge was fired at them from one of the upper floors according to the IDF. As a result of the device being activated, four soldiers were killed: Cpt. Yehonatan Joni Keren, Staff Sgt. Nisim Meytal, Staff Sgt. Aviv Gilboa, and Staff Sgt. Naor Haimov. Three other fighters were seriously injured in the incident.