POLICE in Columbus, Ohio, in the US, have relieved an officer of duty after fatally shooting an unarmed Black man, the city's second law enforcement shooting death of a Black man in the past month. The latest incident unfolded in the early hours of Tuesday after officers responded to a non-emergency complaint about a man turning a car on and off for an extended period, Columbus police said in a statement. Shortly after the officers arrived, a man who had been inside a garage approached them on foot with his left hand holding a cell phone and his right hand…