Justin Bieber Concussion: Singer Was Injures Himself After Walking Into Glass Wall 05/31/2012 07:58 pm ET | Updated Jul 31, 2012 125 www.tmz.com Justin Bieber was knocked out cold after running into a wall of glass during a concert in Paris. Read more on www.tmz.com More: Justin Bieber FOLLOW CELEBRITY facebook twitter Suggest a correction GET THE NEWSLETTER Enter your email address to get top stories and blog posts emailed to you each day. FOLLOW HUFFPOST HuffPost Celebrity HuffPost Celebrity HuffingtonPost Available on the App Store Android App on Google Play Get it at Blackberry App World HUFFPOST NEWSLETTERS Enter your email address to get top stories and blog posts emailed to you each day. Get top stories and blog posts emailed to me each day. Newsletters may offer personalized content or advertisements. Learn More.