International relationsU.S.-South Korea pact risks a more aggressive North Korea
Pyongyang has lashed out at deal to deploy U.S. strategic assets to East Asia
Kim Yo Jong, sister of North Korean leader Kim Jong Un, says North Korea's exercise of self-defense will become stronger. (File photo by Reuters)
GABRIELA BERNAL, Contributing writer
SEOUL -- After South Korean President Yoon Suk Yeol and U.S. President Joe Biden reached a landmark agreement at their recent summit, Kim Yo Jong, the powerful sister of North Korea's leader, said the two had "reconfirmed the hostility of the rulers and military warmongers of Washington and Seoul towards our country."