South Korea will pay “a very high price” after North Korean authorities discovered more ROK-origin leaflets in its territory, according to a statement from the DPRK leader’s sister published by state media on Sunday.

Kim Yo Jong suggested the greatest punishment for the leafleters would be strong domestic criticism from the South Korean public, leading to “a bitter embarrassment,” the Korean Central News Agency (KCNA) reported.

“We have fully introduced our countermeasure in such situations,” Kim warned. South Koreans “must be ready for paying a very high price for their dirty play.”

She added that, “As already warned, the