South Korea may have been steadfast in its support for Ukraine against Russian and North Korean forces, but Kyiv’s request for air defence systems could prove to be a step too far for Seoul to accept.In addition to South Korea’s legal and policy limits on arms transfers to countries at war and its own defence needs, providing such weapons to Ukraine could further strain its ties with Russia, according to analysts.Ukrainian President Volodymyr Zelensky has urged South Korea to provide air...