CHICAGO—An 18-year-old man was charged with murder in the shooting death of a Chinese student near the University of Chicago’s campus after he was found carrying the gun used in the slaying, police announced Friday. Chicago Police Superintendent David Brown said at a news conference that Alton Spann of Chicago was arrested and charged with first-degree murder, armed robbery, and two counts of unlawful use of a weapon. It wasn’t immediately known Friday if Spann has an attorney. Deputy Chief of Detectives Rahman Muhammad said that Shaoxiong “Dennis” Zheng, 24, was standing on a sidewalk in a residential area Tuesday afternoon in the Hyde Park neighborhood on the city’s South Side when Spann approached Zheng and robbed him at gunpoint of some of his belongings, including electronics, before shooting him in the torso and running off. Muhammad said surveillance cameras in the area recorded Spann running toward a Black Ford …