By Michelle Nichols NEW YORK (Reuters) -United Nations Secretary-General Antonio Guterres vowed on Sunday to hold to account “any U.N. employee involved in acts of terror” after allegations that some refugee agency staffers were involved in the Oct. 7 Hamas attacks on Israel. But Guterres implored governments to continue supporting the U.N. refugee agency for Palestinians (UNRWA) after nine countries paused funding. “Any U.N. employee involved in acts of terror will be held accountable, including through criminal prosecution,” the U.N. chief said in a statement. “The Secretariat is ready to co…