UN peacekeepers hold their flag, as they observe Israeli excavators attempt to destroy tunnels built by Hezbollah, near the southern Lebanese-Israeli border village of Mays al-Jabal, Lebanon on Dec. 13, 2019. Four United Nations military observers were wounded Saturday while patrolling along the southern Lebanese border after a shell exploded near them, the U.N. peacekeeping mission in southern Lebanon said. The military observers of the United Nations Truce Supervision Organization support the U.N. peacekeeping mission in southern Lebanon, UNIFIL. (AP Photo/Hussein Malla, File)