The Reno Fire Department is reporting that a man has admitted setting a fire at a downtown Reno office building, when he surrendered at the E 4th St fire station. 37-year-old Christopher Nixon was arrested and booked on one count of arson in the 1st degree, manufacturing an explosive device, and burglary. Fire investigators say he went to an upper floor in the high-rise building at 100 W. Liberty St. around noon on January 17th and started a fire using a gasoline-filled bottle. Fortunately, the fire was discovered and contained before it could cause significant damage.....