A British historian who claims the Holocaust is exaggerated and the gas chambers at Auschwitz were built after World War II as a tourist attraction has been deported.

David Irving was ordered out of Canada on Friday by immigration officer Ken Thompson in Niagara Falls, Ont. He was deported not because of his views, but because he told Canadian authorities he was in the country on personal business when in fact he came on a speaking tour.Irving, a historian of the Nazi era, has been retained by the London Times to examine the diaries of Nazi propagandist Joseph Goebbels. But his work has been overshadowed by the controversy over his views of the Holocaust.

Irving, 56, was taken in handcuffs to Toronto's Pearson International Airport, where he boarded an Air Canada flight to London. He accused Canada of "handcuffing writers" and called his deportation a blow to freedom of expression.

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