North Korean leader Kim Jong Un made an unannounced visit to the Chinese border city of Dandong on Saturday, returning home the same day, according to Chinese state media. The purpose and details of the trip were not immediately clear, and there was no official confirmation of meetings with Chinese President Xi Jinping.

Kim is believed to have crossed into China via a newly opened border bridge, which was completed years ago but officially inaugurated last week. The infrastructure symbolizes the strengthening economic ties between China and North Korea, two countries that have maintained close diplomatic relations despite North Korea’s international isolation.

Neither Chinese nor North Korean authorities publicly disclosed Kim’s visit in advance. South Korean lawmaker Youn Kun-young suggested that Kim met with Chinese Premier Li Qiang during the visit, although this was not confirmed by Chinese official reports.

A statement from China’s Xinhua news agency noted that Wang Huning, a senior political advisor to Xi Jinping, accompanied Kim in Dandong and saw him off at the border bridge at the conclusion of the trip. The official readout did not mention any direct talks with Xi or Li.

Chinese officials characterized the visit as meaningful for reinforcing mutual goodwill and trust between the two countries. Wang Huning emphasized the importance of expanding personnel exchanges, economic cooperation, and strategic coordination to promote a peaceful and stable environment that safeguards the sovereignty, security, and development interests of both nations.

Wang also relayed Xi Jinping’s “cordial greetings and best wishes” to Kim. The visit coincided with commemorations marking the entry of Chinese forces into the Korean War, a sensitive historical period for both nations. During the trip, Kim reportedly attended a memorial ceremony honoring fallen soldiers and toured an automobile factory in Dandong.

China remains North Korea’s largest trading partner and a critical diplomatic ally, underscoring the significance of such engagements amid ongoing geopolitical tensions and sanctions affecting the Korean Peninsula.