Libyan leader Muammar Gaddafi waves from a car in the compound of Bab Al Azizia in Tripoli, after a meeting with a delegation of five African leaders seeking to mediate in Libyas conflict in this April 10, 2011 file photo. A war crimes prosecutor on May 16, 2011 sought an arrest warrant for Muammar Gaddafi, accusing him of killing protesters against his four-decade rule, as NATO stepped up strikes on Libyan forces. Picture taken April 10, 2011.(Reuters)