The son of Colonel Gaddafi has prevented the Israeli chess team from competing in the world chess championship:
Israel's national chess body has said that it plans to sue Libya and the World Chess Federation (Fide) for barring its team from the official world chess championship in Tripoli where play began recently.There's more background here (registration required).
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The exclusion of Israel is a severe embarrassment to Fide, whose motto is Gens una sumus - We are all one people. Mohammed Gaddafi, the son of Libyan leader Col Muammar Gaddafi, only landed the contest for his country after promising that Israeli players would be allowed in to play. Last month he went back on his pledge, however, describing the Israelis as "the Zionist enemy".