St. Louis firefighters check an adjoining building during a five-alarm fire in downtown St. Louis on Dec. 8, 2011. The six story, vacant building is a complete loss as 125 firefighters fought the stubborn blaze for five hours.
Fire officials in St. Louis are trying to determine the cause of a blaze in a vacant six-story building near downtown.
The fire broke out before noon Thursday. There were no reports of injuries, though the St. Louis Post-Dispatch website reported that what was believed to be homeless people were seen fleeing the building. By early afternoon, the fire was under control.