Pittston residents on Tuesday were mourning the loss of a longtime fair volunteer and firefighter after he was struck by a car and killed while crossing the road near his home. Lewis “Duddy” Brown, 83, died at the scene of the accident, Kennebec County Interim Sheriff Ryan Reardon said. Sonya Marsh-Rocque, 61, of Pittston, who was driving the 2002 Hyundai sedan that hit Brown, was not hurt. The crash occurred around 5 p.m.