Both Hamas and Israel committed war crimes, the UN denounced. The agency's human rights officer said the extremist group's attacks in October "were shocking" But he warned that the Israeli offensive in Gaza included "unprecedented killings and mutilations" The attacks by Hamas and associated armed groups in October 2023 on Israeli territory, but also the current siege of Gaza by Israel, constitute war crimes, stated a report presented by the High Commissioner Volker Türk to the Rights Council.