FILE - In an Aug. 25, 2012 file photo, Lt. Gen. Babacar Gaye, the head of the failed United Nations Supervision Mission in Syria, drags his luggage as he departs his residence at the Dama Rose hotel in Damascus, Syria. Gaye, the head of the U.N. peacekeeping mission in the Central African Republic, resigned Wednesday, Aug. 12, 2015, at the request of U.N. Secretary-General Ban Ki-moon, over the force's handling of a series of sexual and other misconduct allegations. Ban Ki-moon has called a special session of the U.N. Security Council for Thursday over the issue of sexual abuse allegations that has rocked the world body. (AP Photo/Bassem Tellawi, File)