FAIRFIELD - A Fairfield school bus driver played the role of local hero yesterday by evacuating students when a fire broke out on board. William Strickland says he was driving a group of Fairfield Middle School students home when the engine started overheating. He says he pulled over, got the children off the bus and battled the flames with a fire extinguisher. Firefighters arrived on the scene and finished putting out the fire. The bus company says Strickland had recently completed his training and is a valued member of their staff. Authorities say the cause of the fire is still under investigation. To see more footage from the Fairfield school bus fire, click on iO Extra on Channel 612.