Former rebel fighters who are now intergrated into the Libyan army and form the Diraa al-Gharbiya brigade, are seen with their weapons guarding the western entrance of the capital Tripoli on May 19, 2014. A dramatic spike in lawlessness in Libya's two largest cities has edged the country closer to civil war between heavily armed rival militias, stirring concern abroad and on oil markets. AFP PHOTO/MAHMUD TURKIA        (Photo credit should read MAHMUD TURKIA/AFP/Getty Images)