Outspoken Fox News anchorman Bill O'Reilly has taken aim at Nas over the rapper's protest outside the TV network's headquarters in New York last week.

Nas joined human rights activists to deliver a 600,000-name petition calling for network executives to end their "pattern of racist attacks against Black Americans."

But O'Reilly insists the protest was nothing more than a publicity stunt to boost sales of the rap star's number one album, Untitled.

Calling Nas a "vile rapper", the conservative host claims Nas' new album is "a bomb, a disaster, a catastrophe," and the "I Can" hitmaker needed to do something to bring attention to his release.

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(This news article provided by World Entertainment News Network)