CHICAGO, United States  (AFP) —  An officer responding to a robbery report shot dead a 13-year-old boy in Columbus, Ohio, after he drew what turned out to be a  low-powered air gun, police said. The Columbus Police Department said it was investigating the late Wednesday death of Tyree King, the latest in a string of shootings of African Americans by law enforcement that have fueled protests and national debate about policing tactics in US cities. It […]