DENVER - A pane of glass fell from a building at 16th Avenue and Lincoln Street in downtown Denver Friday morning.
Denver Fire told 7NEWS that the window somehow cracked and fell, but officials don't know how it got cracked.
The pane fell from about 18 stories up.
Witnesses said one person was hit by the debris when the glass hit the ground and shattered. Denver Fire did not know the extent of the victim's injuries.