St. Cloud firefighters extinguished a blaze Wednesday at a building at 10-19½ Ave S. Crews were called to the scene at 3:37 p.m. St. Cloud Battalion Chief Leon Faust said the building was unoccupied and there were no injuries. A report from the fire department estimates damage at $2,000. The building was vacant except for a small area that was used for storage, the report said. The cause of the fire is still under investigation, Faust said.