By Stephanie van den Berg THE HAGUE (Reuters) – The International Court of Justice will hold hearings this week on a case brought by South Africa accusing Israel of genocide in the Gaza war and seeking an emergency suspension of its military campaign. WHAT IS THE ICJ? The ICJ, also called the World Court, is the highest United Nations legal body, established in 1945 to deal with disputes between states. It should not be confused with the treaty-based International Criminal Court, also in The Hague, which handles war crimes cases against individuals. The ICJ’s 15-judge panel – which will be exp…