President Yoon Suk-yeol has boycotted the mine's commemoration in Japan, purportedly over Tokyo's failure to recognise forced Korean workers Seoul's efforts to improve ties with Tokyo have hit a snag over a commemoration of Korean victims of Japan's colonial past.

By Jack Kim SEOUL (Reuters) -After boycotting a memorial event organised by Tokyo, South Korea held its own on Monday to remember compatriots forced to work in a Japanese mine during World War Two, highlighting lingering sensitivities between the key U.