seoul/pyongyang u.s. vice president mike pence warn north korea monday recent american military strike syria afghanistan show president donald trump resolve question pyongyang vow continue missile nuclear test huge display missiles pyongyang fail north korean missile test weekend u.s. officials praise china step efforts rein north korea beijing neighbor ally pence south korea act president hwang kyo-ahn say would proceed early deployment south korea u.s. thaad missile-defense system spite chinese objections white house easter celebration monday trump ask message north korean leader kim jong un reply get ta behave senior north korean officials remain defiant north korea deputy representative unite nations kim ryong accuse washington create situation nuclear war could break time say pyongyang next nuclear test would take place time place headquarter deem necessary graphic carl vinson strike group tmsnrt.rs/2pqomwa graphic north korea 's nuclear program tmsnrt.rs/2n0gd92 north korea vice foreign minister han song-ryol tell bbc missiles would continue test weekly monthly yearly basis kim song gyong director general european department north korea foreign ministry tell reuters pyongyang washington make slight movement make nuclear strike north korea pyongyang would strike first destroy aggressors without mercy go clarify approach u.s. naval strike force lead nuclear-powered aircraft carrier carl vinson korean water would consider enough constitute slight movement korean tensions escalate follow repeat north korean missile test concern pyongyang may soon conduct sixth nuclear bomb test defiance u.n. sanction washington increasingly worry north korean efforts develop nuclear-tipped missile could hit u.s. mainland speak alongside hwang pence say world witness trump resolve past two weeks saw u.s. missile attack syrian airfield drop powerful non-nuclear bomb islamic state afghanistan north korea would well test resolve strength arm force unite state region pence say first stop four-nation asia tour intend show trump turn back increasingly volatile part world pence whose father serve 1950-53 korean war visit north-south border monday say washington would stand ironclad alliance south korea options table achieve objectives ensure stability people country tell reporters tinny propaganda music float across north korean side so-called demilitarize zone dmz trump administration say military action remain option deal north korea mindful would likely trigger massive retaliation casualties south korea japan among u.s. troop u.s. officials say trump administration main focus tough economic sanction try get pyongyang abandon weapons program trump ask monday consider military action tell fox news channel want telegraph plan like previous administration see happen hope things work well say add unite state try engage north koreans talk long time sunday trump national security adviser h.r mcmaster say unite state ally china work range responses north korea late missile test cite call international consensus act indicate trump consider military action despite dispatch carrier group u.s. officials say tough sanction could include oil embargo global ban north korea airline intercept cargo ship punish chinese bank business pyongyang say great chinese cooperation vital white house spokesman sean spic say china take helpful step although remain see effective would ask trump red line north korea spic say president believe work susan thornton act u.s. assistant secretary state east asia say secretary state rex tillerson china top diplomat state councilor yang jiechi agree phone call sunday need strict enforcement u.n. resolutions international action press pyongyang cease provocative action recommit peaceful denuclearization thornton say new north korean nuclear test would draw pretty significant international response definitely seek conflict regime change say commit defend people ally necessary pence expect discuss korean tensions japanese prime minister shinzo abe tuesday travel tokyo economic talk finance minister taro aso also visit jakarta sydney economic discussions closely watch see hard line washington prepare take trade trump campaign america first platform vow narrow big trade deficits nations like china japan trump also show willingness link trade issue say would cut good trade deal china exert influence north korea china appear increasingly frustrate pyongyang speak weapons test support unite nations sanction repeatedly call talk china ban import north korean coal country important export february chinese media raise possibility restrict oil shipments north however beijing say crisis one unite state north korea chinese foreign ministry spokesman lu kang say situation highly sensitive complicate high risk side avoid take provocative action pence warn north korea u.s. resolve show syria afghan strike