From The Boston Globe: A preschooler spent more than six hours sitting on a Northbridge, Mass., school bus Monday after the driver overlooked him and left the bus in a parking lot for the day. Northbridge police say they expect to file criminal charges against the driver. The driver and a bus monitor who was also on the bus have been fired by Vendetti Bus Co. The boy, who is almost 4, sustained no physical injuries. He was picked up at his house Monday at 8:25 a.m. The bus driver dropped off five other students at two Northbridge schools and parked the bus in a lot for the day. The driver discovered the boy when he returned to the bus Monday afternoon.