SIOUX FALLS, SD – While construction crews were working at a Sioux Falls technical high school, they noticed a fire had ignited on the school’s roof. After the crew reported the fire to authorities, they used a portable fire extinguisher to put out the flames. The Sioux Falls Fire Rescue team arrived to find the fire fully extinguished and assisted the school in cleanup efforts. The cause of the fire is unknown, but there were no injuries as a result.