Meeting on the sidelines of the G7 summit, the South Korean president proposed that the US president take a leading role in efforts to peacefully resolve the North Korean issue.
China's president reportedly aims to assert influence over North Korea as the latter draws closer to Russia, while North Korea seeks to demonstrate an equal standing.
Players from North Korea's Naegohyang football club, recent champions of the women's Asian championship in South Korea, burst into tears upon meeting leader Kim Jong-un.
The South Korean Ministry of Unification's white paper outlines a policy of peaceful coexistence with North Korea, a shift from the pressure and confrontation approach of the previous Yoon Suk-yeol administration.
North Korea has defined its territory bordering South Korea and appears to have removed all content related to peninsula unification from its amended constitution.