13 students, driver hurt in school bus crash near St. Louis

ST. LOUIS — The principal of a suburban St. Louis grade school expressed "huge relief" Thursday after 13 students escaped serious injury in a harrowing school bus accident.The children and bus driver were hurt Thursday morning when the bus swerved to avoid an accident on Interstate 44, drove over a guardrail and down a steep embankment.As bad as it looked, the bus driver was able to keep the vehicle from tipping over as it rambled down a bumpy, grassy ravine, ending up against trees and bu