The Israeli forces have unearthed a Hamas military installation under the headquarters of the United Nations’s aid agency for Palestinians. The compound under the United Nations Relief and Works Agency‚ or UNRWA‚ headquarters in Gaza City appears to be an important communications and intelligence hub for the Islamist group‚ according to Israeli authorities. UNRWA is the U.N. agency charged with managing humanitarian problems related to displaced Palestinians‚ with headquarters in Amman‚...