Justin Bieber's Norway Concert Nearly Gets Out of Hand

Justin Bieber's visit to Norway drew such a huge number of fans that the police lost control and were on the verge of declaring a state of emergency in Oslo, the capital.

Bieber was expected to perform a free show at the Opera House in Oslo at 9:20 p.m. Wednesday. TMZ reports htat an overwhelming number of fans from all over Europe showed up to the event.

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Norway's police urged Bieber to take the stage early to avoid more crowds, the report stated.

"NORWAY. Please listen to the police. I don't want anyone getting hurt. I want everything to go to plan but your safety must come first," Bieber wrote on Twitter Wednesday.

"For the show to happen u must all listen to the police. we are all concerned for your safety and I want what is best for u. Please listen," the pop star tweeted.

The show is part of his "Around The World" TV special. He said he would be performing six songs.

While Bieber is in Norway, the Los Angeles County sheriff's deputies are investigating a complaint by a photographer that Bieber "physically battered" him at the Commons at Calabasas Shopping Center on Sunday.

As part of the investigation, police has requested to interview Bieber.

The photographer alleges that he was taking pictures of Bieber and his girlfriend Selena Gomez when the singer roughed him up.

The man complained of pain and was treated at the scene by paremedics then taken to a local hospital where he was released the same day, a spokeswoman for the sheriff's department told Reuters.

Bieber and Gomez left the scene before the police arrived.