South Korea's president met a Ukraine delegation and called for a joint response to North Korea's sending soldiers to support Russia's war on Ukraine.

South Korean President Yoon Suk Yeol met a Ukrainian delegation led by Defense Minister Rustem Umerov in Seoul on Nov. 27 to discuss the deepening military ties between Russia and North Korea, the Yonhap news agency reported.

North Korea is expanding a weapons plant that manufactures missiles used by Russia against Ukraine, according to new research from a US-based think tank.