tripoli libya rival factions stick unite nations peace process prepare elections spring 2018 french foreign minister jean-yves le drian say thursday try give stall u.n. talk new push north african country two rival governments one east u.n.-backed administration capital tripoli west conflict stem overthrow muammar gaddafi 2011. france lead player nato intervention gaddafi send warplanes bomb force unite nations launch new round talk september tunis rival factions prepare presidential parliamentary elections 2018 break one month note desire prime minister fayez al-seraj stick calendar total convergence view implement agenda le drian say meet tripoli-based prime minister libyan capital drian late fly eastern city benghazi meet powerful eastern military commander khalifa haftar sunday call u.n.-backed government peace process obsolete u.n. talk stumble question role haftar play indicate sunday want run presidential candidate haftar remain popular among libyans east weary chaos face opposition western libya eastern-based house representatives tuesday widen divisions east west approve new central bank governor bank tripoli headquarter u.n. reject move le drian say political deal would help solve crisis thousands illegal migrants stick detention center libya human right group say often face abuse libyan officials deny say overwhelm flood migrants libya main departure point illegal migrants head europe boat french foreign minister visit libya new push u.n. talk