moscow politicians north south korea hold direct talk russia monday pyongyang nuclear missile program despite attend event urge moscow russian news agencies say sunday valentina matviyenko speaker russia upper house parliament due discuss missile crisis separate talk deputy head north korea legislature head south korea parliament sideline congress parliamentarians st petersburg monday moscow call two countries use opportunity direct talk try narrow differences ria news agency sunday cite piotr tolstoi deputy speaker russian low house parliament unnamed member north korea delegation say would direct talk unnamed north korean delegate quote say u.s. pressure pyongyang u.s. south korean military exercise mean precondition talk meet konstantin kosachyov head upper house parliament foreign affairs committee say moscow would try monday encourage two delegations hold face-to-face talk despite lack progress russian news agencies quote say north korean delegation far decline hold talk south korean delegation say ready meet definitely try coerce talk somebody anything interfax news agency cite kosachyov say pity human political level another opportunity de-escalate tensions relations north korea south korea miss north korea nuclear test missile launch stir global tensions prompt several round international sanction u.n. security council de-escalation plan back russia china would see north korea suspend ballistic missile program unite state south korea simultaneously call moratorium large-scale missile exercise move aim pave way multilateral talk north korea ready meet south korea russia agencies