STOCKTON — A firefighter was reportedly assaulted Wednesday evening by a drunken man in southwest Stockton.Sylvan Mott was said by police to have approached the firefighter in the 1800 block of E. Marsh Street, across from Stribley Park, at 6:10 p.m.For unknown reasons, Mott, 25, punched the on-duty firefighter in the face, authorities said.[gh:iframe src="https://www.google.com/maps/embed?pb=!1m14!1m8!1m3!1d3146.08847898731!2d-121.265672!3d37.95172!3m2!1i1024!