Emergency workers respond to a crash involving a passenger bus, a tractor-trailer and an SUV near Dandridge, Tenn., on Wednesday, Oct. 2, 2013. Authorities said the bus, carrying members of a North Carolina church group, veered across the highway median and crashed into the other vehicles in a fiery wreck that killed several people. (AP Photo/The Knoxville News Sentinel, Paul Efird)

Photo by: Paul Efird

Emergency workers respond to a crash involving a passenger bus, a tractor-trailer and an SUV near Dandridge, Tenn., on Wednesday, Oct. 2, 2013. Authorities said the bus, carrying members of a North Carolina church group, veered across the highway median and crashed into the other vehicles in a fiery wreck that killed several people. (AP Photo/The Knoxville News Sentinel, Paul Efird)