An unruly NFL fan, who survived a fall from the top deck of New York's Ralph Wilson Stadium onto a man below, has been banned from the venue and might face charges.
Video from Sunday's game between the Buffalo Bills and New York Jets shows the man sliding down a railing in a seated position before flipping backward and plummeting about 10 metres to a lower level.
He and the man he landed on were treated inside the stadium before being taken to hospital, treated and released.
Bills president and chief executive Russ Brandon described the man's behaviour as irresponsible and in violation of the fan code of conduct.
"This individual will not be permitted back into Ralph Wilson Stadium."
Jeff Savidge, who witnessed the fall, said play had stopped for a television timeout when the a man suddenly landed across the neck and shoulders of a spectator.
"He kind of bounced off him and landed about two rows down on the ground. I heard somebody scream from behind us."
The man who fell managed to get up and said he was OK but was stopped by security from leaving, Savidge said. Arriving emergency workers put a neck brace on him and carried him away on a chair stretcher, he said.
A security officer held the head of the fan who was struck to prevent him moving as he sat upright awaiting medical attention, Savidge said. He was carried out on a backboard.
"Yesterday's reckless and dangerous incident at Ralph Wilson Stadium is an example of the type of behaviour that gives Buffalo a bad reputation and that can never be tolerated, dismissed or accepted," Erie County executive Mark Poloncarz said.
The Bills lease the stadium from the county.
Brandon said the team was cooperating with an Erie County Sheriff's investigation. Sheriff's spokeswoman Mary Murray did not release the names of the men. She said charges were possible.
In September 2012, a 20-year-old fan from Tennessee died when he tumbled over a railing at the Georgia Dome and struck a man below during a college game.
Since 2003, more than two dozen cases of fans falling at stadiums have been reported across the United States, according to the Institute for the Study of Sports Incidents.
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