An unidentified man is dead after crashing into a school bus in Martin County Friday morning. It happened at around 11:40am Friday at the intersection of 20th Avenue and 90th Street southwest of Sherburn, and reportedly involved a Martin County West school district bus and a Chevy Silverado truck hauling a hay trailer. The driver of the truck died as a result of injuries sustained in the crash. The driver of the bus, 69-year-old David Brodersen of Sherburn was hospitalized in Fairmont with non life-threatening injuries. One of the passengers on the bus, 4-year-old Chyanne Johnston of Dunnell suffered serious injuries and was airlifted to St. Mary’s Hospital in Rochester. The accident remains under investigation by the Minnesota State Patrol.