Justin Bieber Laughs at Himself After Concussion

Justin Bieber laughed at himself after suffering a concussion in Paris on Thursday.

"I will see u again Glass. I will have my revenge. BIEBER vs GLASS. MGM LAS VEGAS 2013. lol" the pop singer wrote on Twitter.

Bieber reportedly crashed into a glass wall during a concert in Paris. After the incident he reportedly felt lightheaded but still he performed a last song.

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"That happened. at least we finished the show. lol. smh," he tweeted.

According to a conversation Bieber had with TMZ.com, the singer passed out for 15 seconds backstage after finishing the song.

That's when his staff told him he had a concussion.

The concussion comes a day after Bieber drew a large number of fans during his visit to Norway that police lost control of the crowds.

A reported 49 teenagers were injured, among them 14 taken to the emergency room.