CNN is pushing back on claims that one of its lead news anchors was seen celebrating Hillary ClintonHillary Diane Rodham ClintonBon Jovi to campaign with Biden in Pennsylvania The Hill's Campaign Report: 2020 spending wars | Biden looks to clean up oil comments | Debate ratings are in Biden gets late boost with key union endorsement MORE's historic nomination for president Thursday night, calling the accusation "absurd."

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A video circulating online shows anchor Wolf Blitzer dancing to Neil Diamond's "Sweet Caroline" while drinking from a glass and waving his hands in the air, apparently at the network's CNN Grill in Philadelphia.

"CNN celebrates Hillary: Blitzer toasts speech, dancing, party!" reads a headline at the conservative Drudge Report, linking to the video.

But a CNN spokesman said Friday that Blitzer was not showing bias toward the Democratic nominee, only celebrating the end of the network's coverage of both parties' national conventions.

"After two straight weeks on the road covering both conventions, the last night at the Grill was a time to unwind, have a drink and celebrate CNN's tremendous success," said a statement from the network. 

"CNN staffers and their guests — both Republicans and Democrats, joined in the fun. To suggest it was anything more than that is, quite simply, absurd."