Israeli Defense Minister Israel Katz has now said something that should disturb anyone. According to The Jerusalem Post, Katz threatened to destroy what remains of Gaza City and forcibly evacuate around ONE MILLION Palestinians if Hamas takes a single Israeli hostage. Think about what is being said. One person is captured and a million people may be driven from their homes while what remains of their city is destroyed. The Jerusalem Post itself acknowledged that such a statement could make Israel’s defense against genocide and war crimes accusations at The Hague more difficult because international law requires proportionality.
This is precisely why international humanitarian law prohibits COLLECTIVE PUNISHMENT. Article 33 of the Fourth Geneva Convention states that no protected person may be punished for an offense he or she did not personally commit. Collective penalties and measures of intimidation are prohibited. This principle exists because humanity has already traveled down this road. Governments cannot punish an entire village, city, ethnic population, or civilian society because one person or armed organization committed an offense. Otherwise there is no law of war. There is merely vengeance.
There is also a serious distinction between hostage taking and the capture of an enemy combatant during warfare. Israel deems taken soldiers “hostages” rather than “prisoners of war.” The Geneva Conventions contain an entire framework governing prisoners of war and people detained during armed conflict. The ICRC makes clear that POWs and other wartime detainees are protected by international humanitarian law. Hostage taking is prohibited, but so is collective punishment.
If Hamas deliberately seizes a civilian to compel Israel to act, that can constitute hostage taking. If a combatant is captured during hostilities, the legal analysis is different and depends upon the nature of the conflict and the person’s status. Governments cannot simply erase the laws governing wartime detention by changing the vocabulary.
Consider the scale of what Katz has threatened. Gaza today contains roughly two million people. Katz threatened to extinguish roughly HALF of the entire population of Gaza. He did not say he would punish the people responsible. He threatened to destroy what remains of their city and remove approximately one million human beings.
People seem to misunderstand what genocide actually means under international law. You do not have to exterminate every member of an ethnic or national population before the word becomes legally relevant. The Genocide Convention covers acts committed with the specific intent to destroy a protected group “in whole or in part,” and international courts have interpreted that “part” as having to be substantial. Numbers matter, but so does the significance of the population being targeted and the evidence concerning intent.
Look at Srebrenica. More than 7,000 Bosnian Muslim men and boys were murdered while the wider Muslim population was forcibly removed from the enclave. International tribunals concluded that genocide had occurred even though the victims represented only a fraction of Bosnia’s entire Muslim population. The courts looked at the targeted community, the killings, the expulsions and what those actions demonstrated about the intent to destroy that community.
Article 33 of the Fourth Geneva Convention states that people cannot be punished for offenses they did not personally commit and expressly prohibits collective penalties. Article 49 prohibits mass forcible transfers from occupied territory except under narrow circumstances involving civilian security or imperative military necessity, with additional protections and an obligation to return evacuees when hostilities cease.
What offense did the millionth Palestinian commit because Hamas captured one Israeli? What did the infant do? What did the grandmother do? What did the family hiding inside a damaged apartment building do? Nothing. That is the entire reason the prohibition against collective punishment exists.
The Jerusalem Post itself recognized the problem, warning that Katz’s statement could make it harder for Israeli lawyers defending the state against genocide and war-crimes allegations in The Hague. When your own defense minister is publicly threatening the destruction of what remains of a city and displacement on a scale approaching half of Gaza’s population in retaliation for one hostage, those words do not simply disappear when lawyers walk into an international courtroom.
Israel maintains that its operations are directed against Hamas rather than Palestinians as a protected group, and that distinction is central to whether genocide could ultimately be proven. Genocide requires specific intent, which is a demanding legal standard, but governments rarely hand prosecutors a document explicitly announcing such an intention. Courts instead examine statements by officials alongside patterns of conduct, the scale and systematic nature of the acts, treatment of civilians, destruction of civilian life, forced displacement, and the surrounding circumstances to determine whether the required intent can be established.
One million Palestinians cannot collectively kidnap one Israeli, nor can one million people become collectively guilty because of the actions of Hamas. That is the entire point of international humanitarian law. Once any government claims the right to destroy a city or uproot an enormous civilian population in retaliation for the conduct of somebody else, it is no longer talking merely about defeating the people responsible for an attack. It is openly threatening consequences against people who had nothing whatsoever to do with the offense, and international law was written precisely because mankind already knows where that logic can lead.