A serious crash involving a school bus occurred Thursday morning in St. Louis County, Minnesota, injuring multiple students and drivers. The incident, which took place at the intersection of Highway 5 and Town Line Road near Hibbing, involved a bus carrying 20 students, of whom ten were hospitalized with non-life-threatening injuries. The bus reportedly rolled after a Toyota RAV4, whose driver sustained serious to critical injuries, ran a stop sign and collided with it. Authorities are treating the situation as a 'mass casualty,' but no fatalities have been reported. The school bus is operated by the St. Louis County School District, and further details about the injured individuals remain unknown as the investigation continues.