Penned by a notorious white nationalist and posted to the website of a self-professed advocacy group for Calgary's Muslim community, an article promoting Holocaust denial has sparked anger and prompted an investigation by city police.

Posted Saturday to muslimsincalgary.ca, the article "Why "No Free Speech" on the Holocaust?" was originally written in February 2007 on the website of David Duke — noted American white supremacist and former Ku Klux Klan leader.

The article — which contains little more than  Holocaust-denial boilerplate — has garnered the anger of B'nai Brith Canada, which took particular exception when the website chose to publish the article.

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