South Korea warns Ukraine of 'additional measures' over North Korean POW disclosure
Synopsis
South Korean President Lee Jae Myung has threatened 'additional measures' — including a possible ambassador recall — after Ukraine denied a confidentiality agreement over the transfer of North Korean POWs to Seoul. The row, triggered by Zelensky's surprise public disclosure last week, has spiralled into a sharp diplomatic confrontation with Korean Peninsula war fears now explicitly invoked.
Key Takeaways
President Lee Jae Myung warned on 2 October 2026 that South Korea will take 'additional measures' if Ukraine refuses to apologise over the POW disclosure.
Ukraine denied the existence of a confidentiality agreement over the transfer of two North Korean POWs to Seoul — a claim South Korea flatly rejects.
Possible 'additional measures' include recalling South Korean Ambassador Park Ki-chang from Kyiv.
Kyrylo Budanov , Zelensky's chief of staff, warned separately that a 'trigger event' on the Korean Peninsula could lead to 'uncontrollable consequences.' Lee accused Ukraine of attempting to invoke the threat of an inter-Korean military conflict in response to Seoul's demands for an apology.
South Korean President Lee Jae Myung on Friday, 2 October 2026, warned that Seoul will take 'additional measures' if Ukraine continues to refuse an official apology over the disclosure of a secret agreement to transfer North Korean prisoners of war (POWs) to South Korea. The warning, issued via Lee's personal X account, marks a significant escalation in a diplomatic row that erupted after Ukrainian President Volodymyr Zelensky publicly revealed last week that two North Korean POWs had been handed over to Seoul.
Background to the Dispute
According to South Korean officials, Seoul and Kyiv had agreed to keep the POW transfer confidential. When Zelensky disclosed the transfer, South Korea accused Ukraine of breaching that bilateral confidentiality agreement. Ukraine has since denied that any such nondisclosure agreement ever existed — a position Lee characterised as making the head of a partner state into a 'liar.'
'If (Ukraine) continues to deny the fact and refuse to offer an official apology, (Seoul) will take additional measures,' Lee said in his post. He further stated that Ukraine had 'unilaterally disclosed the transfer despite having previously demanded confidentiality from South Korea.'
Threat of Ambassador Recall
South Korean sources indicated that the 'additional measures' Lee referenced may include recalling Ambassador to Ukraine Park Ki-chang as a formal expression of protest. Rep. Song Young-gil, Lee's newly appointed special adviser for peace diplomacy, indicated on a radio programme earlier on Friday that recalling the ambassador would be the next step if Kyiv does not respond, following Seoul's earlier lodging of a complaint with the Ukrainian envoy in Seoul.
Ukraine's Warning About Korean Peninsula Tensions
Lee's remarks came shortly after a social media post by Kyrylo Budanov, described as Zelensky's chief of staff, in which he referred to a 'mine incident' and warned: 'The situation is becoming more tense by the day. And it is only a matter of time before a trigger event could occur, leading to uncontrollable consequences.' Lee accused Ukraine of attempting to raise the spectre of an 'imminent inter-Korean military conflict,' calling it an attempt to bring 'war on the Korean Peninsula' and expressing 'serious regret.' 'As it is a matter related to the dignity of the South Korean people and the country, I cannot remain silent on it,' he added.
Wider Geopolitical Stakes
The row underscores the complex diplomacy surrounding North Korean military involvement in the Russia-Ukraine war. The capture of North Korean soldiers by Ukrainian forces — and their subsequent transfer to Seoul — has placed both countries in politically delicate territory. For South Korea, the handling of North Korean POWs carries profound domestic and national-security significance. For Ukraine, disclosing the transfer may have served as leverage or a signal to allied nations, but it has damaged a key partnership in Northeast Asia. How both governments navigate the next steps will be closely watched by the United States, Japan, and China.
Point of View
And Zelensky's disclosure blew that delicate balance apart. Lee Jae Myung's public threat via X — rather than through back-channel diplomacy — suggests the domestic political cost of appearing humiliated is higher than the cost of straining ties with Ukraine. What mainstream coverage underplays is Budanov's veiled warning about Korean Peninsula instability: invoking inter-Korean conflict as a pressure point, however oblique, marks an unusually sharp edge in communications between nominal partners. If Seoul recalls its ambassador, Ukraine loses a credible diplomatic voice in Northeast Asia at a moment when it needs every ally it can hold.
NationPress
2 Oct 2026
Frequently Asked Questions
Why is South Korea threatening Ukraine with 'additional measures'?
South Korea is demanding an official apology from Ukraine after President Zelensky publicly disclosed last week that two North Korean POWs had been transferred to Seoul. Seoul says this breached a bilateral confidentiality agreement; Ukraine denies any such agreement existed, prompting President Lee Jae Myung to warn of consequences on 2 October 2026.
What 'additional measures' is South Korea considering?
South Korean sources say the measures may include recalling Ambassador Park Ki-chang from Kyiv as a formal protest. Special adviser Rep. Song Young-gil confirmed on 2 October that an ambassador recall would be the next step if Ukraine does not respond after Seoul's earlier complaint to the Ukrainian envoy.
What did Ukraine's Kyrylo Budanov say about the Korean Peninsula?
Budanov, Zelensky's chief of staff, posted on social media warning that 'the situation is becoming more tense by the day' and that a 'trigger event could occur, leading to uncontrollable consequences.' South Korea's President Lee accused Ukraine of using the threat of inter-Korean military conflict as leverage.
How did the North Korean POW transfer become public?
Ukrainian President Volodymyr Zelensky disclosed last week that two North Korean soldiers captured during the Russia-Ukraine war had been transferred to South Korea. Seoul says this was done in breach of an agreed confidentiality arrangement, while Kyiv denies any such agreement was in place.
What is the broader significance of North Korean POWs being transferred to South Korea?
The transfer highlights North Korea's military involvement in the Russia-Ukraine conflict and places both Seoul and Kyiv in diplomatically sensitive territory. For South Korea, handling North Korean POWs has deep national-security and inter-Korean implications, making the public disclosure especially damaging from Seoul's perspective.
