tunis month-long u.n.-backed talk aim bridge differences rival libyan factions end saturday discernable progress towards stabilize country pave way elections month ago u.n. envoy ghassan salame late series libya envoys since 2011 nato-backed uprise end muammar gaddafi 42-year rule announce one-year action plan transition toward presidential parliamentary elections since u.n. host tunis delegations rival parliaments eastern libya tripoli mean draw amendments previous u.n.-mediated plan sign december 2015. end second round talk salame say discussions would continue without give new date area consensus ... part need discussions political leaderships inside libya salame tell reporters without give detail delegate return libya sunday u.n. mission say statement salame go tripoli next week discuss move talk forward u.n. source add north african country turmoil since gaddafi downfall give space islamist militants smuggle network send hundreds thousands migrants europe political military fracture leave country mire conflict opec member economy freefall rival parliaments governments vie power u.n. try similar approach 2015 host libyans luxury hotels abroad deal never support power-brokers factions align military commander khalifa haftar control eastern libya haftar one many players libya control arm group divide among political religious regional business line u.n. source say major obstacle tunis talk integrate haftar oppose many western libya deal whether would control future national army western state try work u.n.-backed government national accord gna tripoli hamstring internal split unable halt slide live standards tame power arm group new u.n. plan amendments agree national conference mean approve members transitional government would run country elections u.n. end month-long libya talk tunisia without propose new date