(FILES) A picture taken on August 23, 2011 shows Seif al-Islam Kadhafi, son of slain Libyan dictator Moamer Kadhafi, appearing at his father’s residential complex in the Libyan capital Tripoli. Seif al-Islam was due to appear at a pre-trial hearing with more than 30 others in Tripoli on Setpember 19, 2013 although doubts remained whether his ex-rebel captors would allow him to attend. AFP PHOTO/IMED LAMLOUM