The old "Amway Arena" in Orlando Florida, former home of the Orlando Magic team, was replaced by the new "Amway Center". The old building was scheduled for demolition and as expected, many gather to witness the building going down.
On their video broadcast, Chanel 9 (play video and look at 2:10) reporters say a man got impaled in the leg by flying debris: Linky
Old Arena (called Waterhouse Centre back then)
New Amway Center
The Big Kaboom