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Former heavyweight boxing champion Mike Tyson directed an expletive-filled rant at a Canadian television anchor in a live interview after the host brought up Tyson's conviction for sexual assault.

CP24 news anchor Nathan Downer asked Tyson Wednesday about his meeting with Toronto's scandal-plagued Mayor Rob Ford, who recently returned to work after a rehab stint. Ford is seeking re-election.

Downer asked: "Some of your critics would say, 'There's a race for mayor. We know you're a convicted rapist. This could hurt his campaign.' How would respond to that?"

Tyson calls Downer negative before saying, "It's so interesting, you come off like a nice guy," then insulting the anchor with a string of profanity.

Tyson served three years of a six-year sentence in the 1990s for raping a teenage beauty-pageant contestant.