A public official stopped a man from setting fire to a subway train in Daegu during the morning rush hour last week, police said Wednesday. The Daegu Dalseo Police Station said the suspect, a man in his 40s, was referred to the prosecution on charges of violating the Railroad Safety Act. The suspect allegedly walked through a Line 1 train operated by Daegu Transportation Corp. at around 8:30 a.m. on April 23 while carrying a lighter and flammable bug spray, and attempted to start a fire inside t