A fan is shown sliding down the railing of the top deck at Ralph Wilson Stadium moments before falling.

Image captured from YouTube.com

A fan was sliding down the edge of the upper deck of Ralph Wilson Stadium and FELL OFF. He landed on top of a fan, who suffered a head injury. The guy who fell suffered only a minor shoulder injury.

Here's a picture of the guy who fell, via twitter user @jacksessionn 

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Here's the video: