WINONA, Minn. — A Winona man who reportedly waved a pistol during an argument at an East Side apartment was arrested on the other end of town in a traffic stop. Charged with assault was Logan Edward Kempen, age 23. Police recognized Kempen’s vehicle westbound on U.S. Highway 14 approaching the Terrace Heights area. A replica handgun — actually a BB gun — was in the car, officers said. This was about 12:10 a.m. Police ealier had been called to the 450 block of East King Street about a disturbance. Police were told that Kemper and a 16-year-old companion had stopped at the apartment of 22-year-old man and his friend. In an ensuing argument, Kempen pointed  the gun at the other man, police were told.