South Korea is hosting the Asia-Pacific Economic Cooperation (APEC) forum in the city of Gyeongju.
Japanese Prime Minister Sanae Takaichi has arrived in Busan to attend the APEC meetings.
South Korean President Lee Jae Myung is in the spotlight as counterparts including US President Donald Trump and Chinese President Xi Jinping converge in his country.
South Korean President Lee Jae Myung hails the trade deal as "beautiful".
Author's summary: APEC forum in South Korea.