One man died and three women were injured Wednesday in a fire at a Pico Rivera nail salon. The man's body was discovered in an upstairs break room at Top Line nail salon after the 8 p.m. fire was put out. The business is near East Whittier Boulevard and South Durfee Avenue. One woman was in critical condition. Two others suffered minor injuries. Heavy fire was running through the attic of the building. Nearby stores sustained minor damage. Firefighters reported the flames were out at 9:05 p.m. A firefighter also suffered minor injuries, fire officials said.