Kim Yo-jong, the younger sister of North Korean leader Kim Jong-un, declares North Korea will take action against South Korea and assign this mission to the military.

"I feel it's time to break up with the Korean authorities. We will take action soon," North Korea's central news agency KCNA today quoted Kim Yo-jong, her younger sister and advisor.

Pyongyang has announced it will cut off all communications with Seoul on June 9 and will treat Korea as an "enemy".

"By exercising the authority delegated by the supreme leader, the party and the state, I have instructed the departments in charge of matters with the enemy to take drastic actions to follow up," Kim Yo

Leader Kim Jong-un's sister did not say what the military's actions were, but seemed to threaten to destroy the Joint Liaison Office in the border city of Kaesong in North Korea.

"In the immediate future, the tragic scene will take place when the useless liaison office completely collapses," Kim added.

Kim Yo-jong last week condemned Seoul for failing to prevent activists from dropping leaflets across the border.

"It is necessary to make them suffer what they did," Kim Yo-jong said, referring to what she called the failure of South Korea to stop the broadcast campaign.

Earlier on the same day, North Korean Labor Unification leader Jang Kum-chol claimed to have lost faith in South Korea and warned that from now on, Seoul would suffer a period of "regrets and

The fact that North Koreans defecate leaflets via balloons across the border has long been a painful issue between Seoul and Pyongyang.

Relations between the two peninsula regions have worsened since the nuclear talks between Washington and Pyongyang fell to a standstill.

Activities at the inter-Korean liaison office have also been suspended because the Covid-19 pandemic and North Korea have conducted dozens of short-range weapons tests from the beginning of the year.