FILE - In this March 18, 2015 file photo, Gen. Khalifa Hifter, then Libyas top army chief, speaks during an interview with the Associated Press in al-Marj, Libya. From east and west, the forces of Libyas rival powers are each moving on the city of Sirte, vowing to free it from the hold of the Islamic State group. Hitter, backed by Egypt and the United Arab Emirates, he is considered a hero in the east. But he is widely despised in western Libya, where his opponents depict him as a would-be dictator along the lines of Gahdafi. (ANSA/AP Photo/Mohammed El-Sheikhy, File) [CopyrightNotice: Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu]