The Japanese Prime Minister Kishida Fumio and South Korean President Yoon Suk-yeol have jointly visited a monument remembering Korean victims of the 1945 atomic bombing of Hiroshima.
The two leaders visited the monument in the city's Peace Memorial Park on Sunday morning.
The monument had initially been built in 1970 on a river bank on the opposite side of the park. In 1999, it was moved to its current location within the park.
Tens of thousands of people from the Korean Peninsula may have died in the US bombing of Hiroshima, but the actual figure has not been determined.
The Korean Red Cross says that among the atomic bomb survivors who returned to South Korea after the war, about 1,800 are registered as hibakusha by Japanese authorities.
Many of them are now living in Hapcheon in the country's south, and other areas.
This is the first-ever visit by a South Korean President to the monument.
When Yoon met a group of South Korean atomic bomb survivors living in Japan on Friday, he apologized for the South Korean government's failure to provide sufficient support for them.
He acknowledged that the monument should have been visited sooner by a South Korean leader.
South Korean government sources say Yoon's visit will reflect his commitment to deepening bilateral relations with Japan, and a future-oriented perspective.