SEOUL, Oct. 23 (Yonhap) -- The following are key developments regarding North Korea this week.

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Oct. 19 -- N. Korea touts 'invincible' comradeship with Russia at diplomatic event

N.K. leader's sister calls situation at southern border 'very unstable'

20 -- Trump signals uncertainty about meeting N. Korean leader in China next month

N. Korea, Russia discuss ways to expand exchanges in education

N. Korea's Kim tours light industry expo, touts regional policy achievements

S. Korea's top military officer orders stern responses after N.K. threatens to deploy more weapons along border

Defense ministry voices 'grave concern' over N. Korea heightening border tensions with threats

Unification ministry urges N. Korea to halt armistice violations, respond to dialogue efforts

Unverified rumors of N.K. leader's death spread on overseas social media

N. Korea vows 'tit-for-tat' action against S. Korea-U.S. military exercise

21 -- N. Korea may be testing Trump's red lines with increased missile launches in 2nd term: analysis

Court sentences 3 ex-officials to suspended prison terms over 2019 deportation of N. Koreans

N.K. leader's sister, military marshal inspect border fortification site

N. Korea to resume propaganda loudspeaker broadcasts toward S. Korea: N.K. leader's sister

22 -- N.K. leader's sister warns of 'new counter means' at border with S. Korea

Xi reaffirms commitment to strengthening ties with N. Korea in reply to Kim Jong-un's letter

S. Korea urges N. Korea to stop border escalation acts amid Pyongyang's loudspeaker threat

Ex-officials defend 2019 repatriation of N.K. fishermen as criminal deportation

S. Korea to send letter to UNSC urging N. Korea to apologize for DMZ mine blast

23 -- S. Korea sends letter to UNSC urging N. Korea to take responsibility for DMZ mine blasts

Trump-Kim summit unlikely in near future amid N. Korean demands: U.S. experts

N. Korea likely planted 960,000 land mines along inter-Korean border since 2024: lawmakers

S. Korea proposes military talks with N. Korea to resolve border line issue

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