The influential sister of North Korean leader Kim Jong Un is shaking the nerves in South Korea, threatening military action and accusing activists of sending anti-Pyongyang leaflets across the border.

On Saturday, Kim Yo Jong described South Korea as an “enemy” and warned that the country will soon see a collapse of a “useless” inter-agency liaison office on the border.

He said the North Korean army will determine how the activists will retaliate against the propaganda brochure campaign targeting North Koreans.

“Using my power, empowered by our party and government, the top leader gave an order to the arms of the department responsible for the affairs with the enemy to carry out the next action resolutely,” he said. North’s official Korean Central News Agency.

“If I leave a clue of my next plan (South Korean) officials are concerned, the right to take the next action against the enemy will be entrusted to the General Staff of our army,” he said.

“I believe that our army will also determine and execute something to cool the anger of our people.”

Kim, the first vice-chairman of the ruling Workers’ Party Central Committee, gained significant strength over the years, and was even said to be his successor in April, when Kim Jong Un speculated on the state of health of the speculation.

The relationship between the North and South Korea has deteriorated in recent months, North Korean officials have expressed disappointment with the Trump administration through stagnant nuclear talks – discussions supported by South Korean President Moon Jae-in.

With mast cables