Leaders of North Korea, China vow to strengthen ties

  • North Korean leader Kim Jong Un, right, poses with Chinese President Xi Jinping for a photo at Kumsusan guest house June 20 in Pyongyang, North Korea. (Korean Central News Agency/Korea News Service via AP, File)

SEOUL, South Korea — The North Korean and Chinese leaders expressed their desire Sunday to further strengthen their ties as they exchanged messages marking the 60th anniversary of their countries’ defense treaty.