Funeral services are set for Sunday for a Walker County Firefighter who lost his life while in the line of duty.A Walker County firefighter, 24-year-old Jarrett Little, died Wednesday night after the fire truck he was driving wrecked on the way to a fire. Little was driving a freightliner fire engine, which overturned while making a left turn from Mission Ridge Road onto McFarland Avenue in Rossville. The truck was heading to a structure fire on Wilson Road. The wreck occurred around 11 p.m.  According to reports the truck overturned and hit a power pole. Two other firefighters, Matt Mills and Adam Lozano, were taken to Erlanger, and both were released this morning. Little is the first Walker County firefighter to die in the line of duty.