Story highlights Vladimir Putin said the leak of Democratic National Committee documents was important

The Russian president also commented on the US presidential election

(CNN) Russian President Vladimir Putin denied having any involvement in the hack of the Democratic National Committee in early August, in an interview published Friday, but said it's "important" the contents of the DNC emails were made public.

A US official saying earlier this summer there was "little doubt" Russia was behind the attack.

"I don't know anything about it, and on a state level Russia has never done this," Putin told Bloomberg News . Still, Putin asked if it matters "who hacked this data," and argued that "the important thing is the content that was given to the public."

The Russian president also commented on the US presidential election. Putin said that he has no preference among the two major party candidates, but criticized them for playing "the anti-Russian card."

"I don't think they are setting the best example," he said.

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