Shane Darcy joins Justice in Conflict for this post on the International Court of Justice and its role in Gaza. Shane is a professor of law and the Deputy Director of the Irish Centre for Human Rights in the School of Law at National University of Ireland, Galway.

The Chief Prosecutor of the International Criminal Court (ICC) has broken his silence on the mass killing of civilians and the taking of hostages by Hamas and the indiscriminate bombing of civilians and civilian property in Gaza by Israeli forces. Karim Khan has confirmed to the media that such atrocities fall within the Court’s jurisdiction. While his mandate “applies to crimes committed in the current context”, he has not followed the approach of his predecessor, Fatou Bensouda, who issued formal statements on more than one occasion expressing her grave concern and emphasising the Court’s jurisdiction.
Successive ICC chief prosecutors have not treated the situation in Palestine with any great sense of urgency. Palestine’s entreaties to the Court began as far back as 2009, but no arrest warrants have been issued, even though Fatou Bensouda considered there was a reasonable basis to believe that international crimes have been committed. The Pre-Trial Chamber confirmed the Court’s territorial jurisdiction over Gaza and the West Bank, including East Jerusalem in 2021. And Karim Khan explained this week that crimes by Palestinians, “including on the territory of Israel”, are also within the jurisdiction of the Court, even though Israel is not a state party.
While the ICC may have jurisdiction, the Prosecutor ultimately remains the gatekeeper when it comes to taking investigations and cases forward. Judicial approval is needed at various stages of proceedings, but if the Prosecutor decides not to take a situation forward, there is little that States, civil society, victims, or even the judges can do.
The Office of the Prosecutor has acted very quickly in other situations – in Ukraine and Libya, for example – but in the context of Palestine, the slow rate of progress is at odds with the rationale of ending impunity for international crimes. It is important to emphasise that in addition to giving rise to individual criminal responsibility, acts that amount to war crimes, crimes against humanity, genocide or aggression can also lead to State responsibility. This is the domain of the International Court of Justice (ICJ).
The World Court and Genocide
Where jurisdiction exists, States can initiate contentious proceedings before the ICJ. Certain United Nations bodies can seek advisory opinions from the Court on legal questions (as the General Assembly did earlier this year on the legal status of Israel’s occupation of Palestinian territory). Unless States have accepted the ICJ’s compulsory jurisdiction, and just over a third have, jurisdiction has to be grounded in an existing international treaty.
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