Key developments on North Korea this week

The following are key developments regarding North Korea this week.------------Dec. 31 -- N. Korea to launch 3 more military spy satellites, build more nukes next year: state mediaJan. 1 -- N.K. leader says Korean Peninsula inching closer to armed conflictN. Korea leader Kim, Xi exchange New Year's greetingsN. Korea begins discussions on dismantling agencies handling inter-Korean affairs2 -- Unification ministry launches early warning system for defectors at risk3 -- N. Korean leader's sister raps Yoon over his New Year's Day speech4 -- N. Korea removes sections on unification from propaganda outletsN. Korea recently sent several dozen ballistic missiles to Russia: U.S. official5 -- N. Korea fires some 200 artillery shells off western coast: S. Korean militaryN. Korean leader inspects factory producing launchers for solid-fuel ICBMsN. Korea rebuilds destroyed guard posts inside DMZ with concreteSource: Yonhap News Agency