The Yomiuri ShimbunA firefighter is trying to extinguish fire resulting from a pileup in Minakami, Gunma Prefecture, on Friday night. The Yomiuri Shimbun [posttime] JST, [postdate] MAEBASHI — A person was killed in an accident involving more than 50 cars on the Kan-Etsu Expressway in Minakami, Gunma Prefecture on Friday night. Due to the accident, the …