South Korean President Lee Jae-myung referred to Israeli Prime Minister Benjamin Netanyahu as a “war criminal” while criticizing Israel’s detention of two South Korean activists who had joined Gaza-bound aid vessels in May 2026. Lee based his remark on the International Criminal Court’s arrest warrant for Netanyahu and called for South Korea to review how it would respond to that warrant. The description delivered a forceful political message, but it did not accurately reflect Netanyahu’s legal status because an arrest warrant is not a conviction.
How the Two Korean Activists Were Detained
Israeli forces intercepted two Gaza-bound aid vessels on separate occasions in May 2026. South Korean activists Kim Dong-hyeon and Kim Ah-hyun were aboard the vessels and were subsequently taken into Israeli custody. The ships were participating in an international effort intended to deliver humanitarian aid and challenge Israel’s naval blockade of Gaza.
The flotilla organizers argued that the interceptions occurred in international waters and were unlawful. Israel maintained that it had the right to prevent unauthorized vessels from reaching Gaza as part of its enforcement of the blockade. The legality of such interceptions remains disputed because it involves competing interpretations of naval warfare, blockade enforcement, humanitarian access, and international law.
For the South Korean government, the immediate issue was whether its citizens had been lawfully detained and whether their safety and consular rights were being protected.
How Lee Responded to the Detentions
At a Cabinet meeting on May 20, 2026, Lee strongly criticized Israel’s actions. He questioned what legal justification Israel could provide for detaining South Korean citizens outside its territorial waters and described its conduct as exceeding acceptable limits.
Lee then raised the arrest warrant issued for Netanyahu by the International Criminal Court. He asked officials to examine how South Korea should handle the warrant and whether it would be expected to arrest Netanyahu if he entered South Korean territory.
His response combined two distinct issues:
- protecting and securing the release of the detained South Korean citizens;
- reviewing South Korea’s legal obligations regarding the ICC warrant.
Why Lee Used the Term “War Criminal”
Lee used the expression because the ICC had issued a warrant accusing Netanyahu of responsibility for alleged war crimes and crimes against humanity. He appeared to interpret the existence of the warrant as recognition by the court that Netanyahu was a war criminal.
The phrase also strengthened Lee’s criticism of Israel during the detention dispute. It suggested that South Korea should not overlook allegations involving international crimes merely because the accused person was the leader of a country with important diplomatic partners.
Legally, however, the wording was imprecise. Netanyahu is accused of crimes and remains subject to an ICC arrest warrant, but he has not been tried or convicted by the court. A more accurate description would be that he is wanted by the ICC over allegations of war crimes and crimes against humanity.
What the ICC Arrest Warrant Actually Means
The ICC issued arrest warrants for Netanyahu and former Israeli defense minister Yoav Gallant on November 21, 2024. Its judges found reasonable grounds to believe that they bore criminal responsibility for alleged crimes connected to the Gaza conflict.
The allegations against Netanyahu include starvation as a method of warfare and the crimes against humanity of murder, persecution, and other inhumane acts. The warrant permits states cooperating with the court to arrest and surrender him if the relevant legal requirements are met.
| Legal Stage | What It Means | What It Does Not Mean |
|---|---|---|
| Investigation | Prosecutors gather and evaluate evidence. | It does not establish guilt. |
| Arrest warrant | Judges find reasonable grounds to believe that the accused committed crimes within the court’s jurisdiction. | It is not a conviction or final judgment. |
| Trial | The prosecution and defense present their evidence before the judges. | Formal charges do not predetermine the result. |
| Conviction | The court finds the accused guilty beyond a reasonable doubt. | Netanyahu has not reached this stage before the ICC. |
Israel rejects the ICC’s jurisdiction and denies that Netanyahu committed the alleged crimes. The ICC rejected Israel’s jurisdictional challenges when it issued the warrants, although legal and political disputes surrounding the case have continued.
How the Activists Were Released
The South Korean presidential office announced on May 21 that Israel had released the two Korean nationals. They were deported rather than kept in extended detention and later returned to South Korea.
Because the announcement followed Lee’s public criticism, some observers concluded that his intervention had forced Israel to act. His remarks may have increased diplomatic pressure, but the publicly available information does not establish that the “war criminal” comment alone caused the release.
Israel was also facing criticism from several countries over the detention and treatment of hundreds of foreign flotilla participants. Consular negotiations, international pressure, Israel’s decision to deport foreign detainees quickly, and its desire to limit diplomatic damage may all have contributed.
The timing supports the possibility that Lee’s intervention helped, but it does not prove that his statement was the sole or decisive reason for the release.
South Korea’s Obligations to the ICC
South Korea is a state party to the Rome Statute, the treaty that established the ICC. States parties generally have an obligation to cooperate with the court’s arrest and surrender requests.
Lee’s request for a government review did not itself create a South Korean arrest warrant or automatically determine what would happen if Netanyahu visited the country. Officials would need to examine the ICC request, South Korean implementing law, immunity arguments, domestic procedures, and other relevant legal questions.
The ICC has maintained that official status does not prevent the execution of its warrants. Some governments and legal scholars dispute how that principle applies to leaders of countries that are not parties to the Rome Statute. This disagreement has produced different responses among ICC member states.
Why the Remark Divided Public Opinion
Supporters viewed Lee’s statement as a defense of Korean citizens and a refusal to ignore serious allegations under international law. They argued that an ICC warrant should have practical consequences regardless of the accused leader’s diplomatic influence.
Critics said Lee had treated an accusation as a proven judgment and risked damaging relations with Israel. They argued that the president could have defended the activists and discussed the warrant without declaring Netanyahu guilty before a trial.
| Interpretation | Main Reasoning | Important Qualification |
|---|---|---|
| Defense of international law | The ICC warrant should carry meaningful diplomatic consequences. | The warrant is not a criminal conviction. |
| Protection of Korean citizens | Strong language may increase pressure when citizens are detained abroad. | The exact cause of the activists’ release is unknown. |
| Diplomatic overreach | Calling an accused leader a criminal may unnecessarily escalate tensions. | Quiet diplomacy may also be viewed as inadequate during a serious detention dispute. |
| Domestic political messaging | The statement reinforced Lee’s emphasis on human rights and international accountability. | The dispute also involved genuine legal and consular concerns. |
How Korean History Influences the Debate
Some South Koreans connect Palestinian suffering with Korea’s historical experience of Japanese colonial rule, military conflict, displacement, and authoritarian violence. These experiences can make occupation, civilian casualties, detention, and the actions of more powerful states especially sensitive subjects.
Other South Koreans emphasize national security, the alliance with the United States, the threat from North Korea, and Israel’s claim that it is defending itself against armed organizations. Some conservative and evangelical groups also express strong religious or political support for Israel.
These positions do not apply uniformly to every progressive, conservative, or Christian. South Korean public opinion includes many different views on Israel, Palestine, the United States, Japan, North Korea, nationalism, religion, and international institutions.
Historical comparisons also have limits. Korea under Japanese colonial rule and the Israeli-Palestinian conflict arose from different political, territorial, military, and religious circumstances. Such comparisons may help explain public reactions, but they do not establish that the situations are identical.
Claims That Require Caution
Discussion of the incident included sweeping claims about Korean conservatives, progressives, evangelical Christians, colonial collaborators, and foreign influence. Although these comments may refer to genuine historical controversies, entire political groups cannot be accurately explained by a single origin or ideology.
- Not all South Korean conservatives share the same position on Israel or Japan.
- Not every evangelical Christian supports every action of the Israeli government.
- Support for Palestinian civilians does not necessarily imply support for Hamas.
- Support for Israel’s security does not necessarily imply approval of every Israeli military action.
- Criticism of Netanyahu or the Israeli government should not be directed at Jewish people as a group.
- Condemnation of Hamas should not be used to dismiss Palestinian civilians’ rights or suffering.
The term genocide also has a specific legal meaning. It requires proof that prohibited acts were committed with the intent to destroy, in whole or in part, a protected national, ethnic, racial, or religious group. Genocide allegations concerning Gaza have been raised in international proceedings, but they are distinct from a completed criminal conviction of Netanyahu.
An Objective View
Lee referred to Netanyahu as a “war criminal” because the ICC had issued a warrant alleging his responsibility for war crimes and crimes against humanity. Lee raised the issue while condemning Israel’s detention of Korean activists, making the statement both a reference to the ICC case and a forceful diplomatic warning.
The description was understandable as political rhetoric but legally premature. Netanyahu remains an accused person subject to an ICC arrest warrant, not an individual convicted by the court. Maintaining that distinction does not reduce the seriousness of the allegations; it preserves the legal difference between accusation and guilt.
The activists’ release achieved South Korea’s immediate consular objective. Lee’s intervention may have contributed to the outcome, but international pressure and Israel’s wider deportation of foreign flotilla participants were also relevant. The episode demonstrates how citizen protection, humanitarian concerns, international criminal law, and domestic political divisions can converge in a single diplomatic dispute.
Tags
Lee Jae-myung, Benjamin Netanyahu, Korean activists, Gaza aid flotilla, ICC arrest warrant, South Korea Israel relations, international criminal law, Gaza conflict, war crimes allegations, South Korean diplomacy

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