New Jersey Governor Chris Christie exits a polling station in 5 November 2013
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Chris Christie speaks over New Jersey bridge scandal

New Jersey Governor Chris Christie is addressing potentially damaging claims his aide orchestrated traffic mayhem to pursue a political vendetta.

Mr Christie, often cast as a potential Republican candidate for president, is speaking to reporters from the state capital Trenton.

The gridlock was allegedly engineered to punish a Democratic mayor who did not endorse the governor's re-election.