Justin Bieber wanted for questioning by police

Justin Bieber is wanted for questioning by Los Angeles County police after an alleged scuffle with a photographer on Sunday.

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The pop superstar reportedly became embroiled in a spat with a snapper outside a shopping center in Calabasas as the man attempted to take pictures of the singer and his girlfriend Selena Gomez.

A Sheriff's Lieutenant has revealed the photographer dialed 911 and was taken to hospital where he was treated and later released, before filing a police report.

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Cops now want to talk to the star about the alleged incident, according to the Los Angeles Times.

Pictures show Bieber having lost a shoe and his baseball cap in the alleged scuffle, while Gomez is seen helping him retrieve the hat and put his sneaker back on.

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Bieber has yet to comment on the report, simply writing in a post on his Twitter page, "Gonna focus on the important stuff. The music. [New single] 'Die In Your Arms' hits iTunes in less than 24 hours."

The "Baby" hitmaker is due to fly to Norway this week to kick off a promotional tour for his new album.