Twitter Inc is in talks to buy Shots, a selfie photo-sharing app, CNBC reported, citing a source close to the Justin Bieber-backed company.

The microblogging website is particularly interested in the app's more than 3 million users, nearly two-thirds of whom are women under 24, CNBC said.

A Twitter spokesperson said the company does not comment on rumor and speculation. Shots could not be reached immediately for comment.

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