South Korean President Lee Jae Myung is hosting the Asia-Pacific Economic Cooperation (APEC) forum in Gyeongju, bringing together leaders from across the region.
A number of high-pressure bilateral meetings are expected, including a meeting between US President Donald Trump and Chinese President Xi Jinping.
South Korean President Lee Jae Myung took office in June and is in the spotlight as he hosts the APEC forum.
The US was unable to 'work out timing' for a presidential reunion with Kim Jong Un.
Follow the diplomacy over the coming days with Nikkei Asia.
Author's summary: South Korea hosts APEC forum with key bilateral meetings.