The United Nations’ highest court said that Israeli settlements in occupied Palestinian territories are illegal and all states should cooperate to bring an end to Israel’s war on Gaza, in an important advisory opinion issued on Friday. The findings by judges at theInternational Court of Justice (ICJ), known as the World Court, are not binding but carry weight under international law and may weaken support for Israel. “Israeli settlements in the West Bank and East Jerusalem, and the regime associated with them, have been established and are being maintained in violation of international law,” P…