UNRWA explained that a "man-made cavity" was identified underneath the school grounds. By Jerusalem Post Staff Published: December 1, 2022 [(TOP) A fighter from the Izz el-Deen al-Qassam Brigades, Hamas’ armed wing, is seen inside an underground tunnel, in Gaza, August 18, 2014.] A tunnel was discovered under a United Nations school in Gaza, according to a Tuesday announcement from the United Nations Relief and Works Agency for Palestine Refugees in the Near East (UNRWA). UNRWA explained that a "man-made cavity" was identified underneath the school grounds. The area was sectioned off and the tunnel was sealed, the agency said....