Jan. 20 (UPI) -- The Israeli government began demolishing the East Jerusalem building that houses the United Nations' agency that provides aid to Palestinian refugees Tuesday, a move the international organization called "an unprecedented attack." The BBC reported that demolition teams used heavy machinery to rip through the roof and tear down walls of the headquarters of the UNRWA, formally known as the United Nations Relief and Works Agency for Palestine Refugees in the Near East. UNRWA