A police sergeant was shot to death at a police box in western Japan late Wednesday, and a 19-year-old fellow officer was arrested on suspicion of his murder early Thursday after several hours on the run with a handgun, investigators said.Akira Imoto, 41, was found collapsed with bullet wounds to his back and head at around 8:45 p.m. at the police box in front of JR Kawase Station in Hikone, Shiga Prefecture, they said. He was later pronounced dead at a hospital.
