beirut russia promise autonomous region control kurds northern syria represent peace talk host next month commander main syrian kurdish militia cite say wednesday moscow say 155 representatives autonomous region participate sipan hemo commander ypg quote say official syrian kurdish social media channel wednesday kurdish group take part round syrian peace talk far despite control quarter syria turkey oppose involvement talk moscow back syrian president bashar al-assad syria six-year-old civil war turkey oppose ankara view ypg terrorist group affiliate kurdish pkk wag insurgency turkey decades russia iran turkey announce jan. 29-30 date talk black sea resort sochi date round peace talk kazakhstan last week say would participate turkish president tayyip erdogan wednesday call assad terrorist say impossible syrian peace efforts continue syria respond erdogan support terrorist group fight syria 40 syrian rebel group include factions take part round peace talk say monday would refuse attend sochi congress russia powerful supporter assad jet help bring rebellion rule near end rebel say moscow put pressure find political solution u.n. syria envoy staffan de mistura say success congress assess ability contribute support u.n.-led geneva talk end war syrian kurds say russia promise attend sochi talk