Fighters and area residents told CNN that a small number of Gadhafi supporters started looting and burning cars after Friday prayers . Two Gadhafi fighters and a rebel fighter killed , a member says . Tripoli streets are tense Friday night . U.N. human rights official reports evidence of torture of prisoners held by the rebels .
Two Gadhafi fighters and a rebel fighter killed , a member says . Tripoli streets are tense Friday night . U.N. human rights official reports evidence of torture of prisoners held by the rebels .