Libyan rebels tighten grip on Tripoli

epa02876742 Rebels in Tajura, a suburb of Tripoli, celebrate as they control the entire area of Tajura, Libya, early on 22 August 2011. Libyan rebels tightened their control of the capital on 22 August as the whereabouts of the embattled leader Moamer Gaddafi remain unknown. EPA/STR