rome unite nations prepare deploy 150-250 mostly nepalese guard libya protect base capital part plan return operations country u.n. officials say friday back western governments u.n. try heal rift libya rival factions order stabilize country tackle militant violence people-smuggling libya northern coast mission base tunis since 2014 fight among rival libyan brigade force foreign embassy staff gradually increase presence libya plan months full return military unit would probably consist around 150 guard jean-pierre lacroix u.n. under-secretary-general peacekeeping operations tell news brief geneva nepalese make sure protect colleagues deploy tripoli guard unit basically u.n. military personnel come nepal lacroix say u.n. libya envoy ghassan salame tell italian newspaper la stampa little 250 could deploy come weeks deploy guard base tripoli mean around begin october carry significant part work libya say salame head mission since june spokesperson mission say plan send u.n. peacekeepers libya security tripoli part western libya fragile arm group largely unaccountable hold power grind foreign embassies close pull staff 2014 heavy fight rival factions destroy capital airport bad fight since fall long-time leader muammar gaddafi 2011. libya slip turmoil nato-backed uprise topple gaddafi u.n.-backed government set tripoli last year struggle assert authority oppose factions control eastern libya july rival leaders pledge paris work toward elections 2018 conditional ceasefire salame say constitutional electoral laws would write ensure vote bring last change need sure everyone accept final result say let forget presidential elections would first ever salame also express frustration compete international initiatives libya regional european power vie influence think proliferation initiatives mediations help say french foreign minister jean-yves le drian say hop country efforts revision 2015 u.n.-mediated deal create tripoli government could reach salame auspices discussion center reform government leadership power military appointments seem efforts converge le drian tell reporters visit moscow u.n. beef guard scale presence libya