Universities across America are bracing for more Gaza protests.\xa0
Campus closures and arrests have followed increasing Pro-Palestinian and Pro- Israel demonstrations this week.\xa0
US Correspondent Richard Arnold told Mike Hosking that the epicentre of the protests, New York's Columbia University, is now offering online classes for the rest of the term.\xa0
He says scores of pro-Palestine protesters camped out at the university refusing to budge for police.\xa0
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