South Korea has paid tribute to wartime Korean forced laborers at Japan’s Sado gold mines in a memorial ceremony.

Japan has held a memorial ceremony near the Sado Island Gold Mines despite a last-minute boycott of the event by South Korea that highlighted tensions between the neighbors over the brutal wartime use

South Korea’s government says it has decided not to attend a memorial service near Japan’s Sado Island Gold Mines due to unspecified disagreements with Japan over the event, which stirred longstanding tensions over the abuse of Korean forced laborers at the site before the end of World War II.

South Korea has paid tribute to wartime Korean forced laborers at Japan’s Sado Island Gold Mines in a memorial ceremony

Efforts by South Korea and Japan to hold a joint memorial service near Japa’s Sado Island Gold Mines, where Koreans were forced to work during Japan’s colonial rule, fell apart on Nov. 24 due to disagreements between both governments.