UNAT considered an appeal by the Secretary-General. UNAT held that UNDT erred when it concluded that the Administration’s decision was unlawful and that the sanction imposed was disproportionate to the nature and gravity of the behaviour triggering it. UNAT held that UNDT erred when it ordered rescission of the sanction and compensation in lieu thereof and substituted the sanction imposed for a lesser one. UNAT held that the Secretary-General had broad discretion to determine whether the assault amounted to serious misconduct and to determine the appropriate disciplinary measure. UNAT held...