seoul south korea brace possible missile test north korea mark found anniversary saturday days sixth large nuclear test rattle global financial market escalate tensions region throughout week south korean officials warn north could launch another intercontinental ballistic missile defiance u.n. sanction amid escalate standoff unite state pyongyang mark found anniversary year big display pageantry military hardware last year north korea conduct fifth nuclear test sept. anniversary tension korean peninsula escalate north korea young leader kim jong un step development weapons test string missiles year include one fly japan conduct sixth nuclear test sunday experts believe isolate regime close goal develop powerful nuclear weapon capable reach unite state something u.s. president donald trump vow prevent celebrate found anniversary front-page editorial saturday edition north korea official rodong sinmun say country make high-tech juche weapons continuously bring big historical events miraculous victory july 28. july date refer intercontinental ballistic missile test juche north korea homegrown ideology self-reliance mix marxism extreme nationalism preach state founder kim il sing current leader grandfather south korean nuclear experts check contamination say friday find minute trace radioactive xenon gas early link sunday explosion nuclear safety security commission nssc say conduct test land air water sample since shortly north korean nuclear test sunday xenon naturally occur colourless gas use manufacture sort light nssc say detect xenon-133 radioactive isotope occur naturally past link north korea nuclear test chance xenon impact south korea territory population agency say trump repeatedly say options table deal north korea thursday say would prefer use military action would sad day north korea military action would certainly option inevitable nothing inevitable trump tell reporters use north korea sad day north korea even trump insist time talk senior members administration make clear door diplomatic solution open especially give u.s. assessment pre-emptive strike would unleash massive north korean retaliation north korea say need weapons protect u.s. aggression regularly threaten destroy unite state south korea unite state technically still war north korea 1950-53 korean conflict end truce peace treaty uss ronald reagan nuclear-powered carrier leave home port japan routine autumn patrol western pacific navy spokeswoman say area include water japan korean peninsula add without give detail ronald reagan routine patrol may august send sea japan another carrier uss carl vinson take part drill japan self defense force well south korean military north korea vehemently object military exercise near peninsula china russia suggest unite state south korea halt exercise low tension trump talk tough north korea china agree thursday unite nations take action also push dialogue u.n. security council expect vote new set sanction soon russian foreign minister sergei lavrov say early draw conclusions final form u.n. resolution russia interfax news agency quote lavrov say news conference friday unite state friday tell u.n. security council intend call meet monday vote draft resolution establish additional sanction north korea missile nuclear program u.s. mission unite nations say statement u.s. ambassador unite nations nikki haley say last monday intend call vote sept. 11 unite state circulate draft resolution 15-member council wednesday unite state want security council impose oil embargo north korea ban export textiles hire north korean laborers abroad subject kim jong un asset freeze travel ban accord draft resolution see reuters wednesday immediately clear north korean ally china russia would vote senior u.s. official friday night express scepticism either nation would accept anything stringent ban import north korean textiles chinese officials privately express fear impose oil embargo could risk trigger massive instability neighbor north korea offer fresh vitriol pending sanction specifically target haley week accuse kim beg war nothing foolish think strong nuclear state endure evil pressure aim overthrow state north official news agency say commentary even nikki haley blind must use mouth correctly unite state administration pay able control mouth u.n. representative china far north korea big trade partner account 92 percent two-way trade last year also provide hundreds thousands tonnes oil fuel impoverish regime china economic influence felt south korea well two countries loggerheads south korea decision deploy u.s. anti-missile system terminal high altitude area defense powerful radar probe deep china share south korean automaker hyundai motor 005380.ks key suppliers slide friday worry position china highly critical chinese state newspaper comment military section china global time newspaper thursday refer thaad malignant tumor south korea brace possible new missile test mark north 's found day