unite nations unite state say wednesday would push unite nations security council renew within days international inquiry blame chemical weapons attack syria set stage likely showdown russia russia question work future joint inquiry u.n. organization prohibition chemical weapons opcw say would decide whether support extend mandate investigators submit next report inquiry know joint investigative mechanism jim due report oct. 26 responsible april attack opposition-held town khan sheikhoun kill dozens people would like see renew prior report come u.s. ambassador u.n. nikki haley tell reporters russians make clear report blame syrians suddenly faith jim report blame syrians say work like haley say separate opcw fact-finding mission determine june ban nerve agent sarin use khan sheikhoun attack prompt unite state launch missiles syrian air base haley say would circulate draft resolution 15-member security council late wednesday renew mandate jim due expire mid-november unanimously create council 2015 renew 2016. resolution must get nine vote favor veto council five permanent members russia china unite state britain france order pass jim find syrian government force responsible three chlorine gas attack 2014 2015 islamic state militants use mustard gas syria agree destroy chemical weapons 2013 deal broke russia unite state syrian government repeatedly deny use chemical weapons civil war last six years mikhail ulyanov director russian foreign ministry non-proliferation arm control department say friday serious problems work inquiry order judge deserve extension mandate need see report ... assess ulyanov tell brief unite nations present moscow view syrian chemical dossier u.s. russia set likely u.n. row syria toxic gas inquiry