Share 'Police kill man who shot at 2 cops'

Chicago police overnight shot and killed an unidentified armed man who shot at police and then barricaded himself in a gangway on the South Side, police said. The gunman hit one officer's shoe and the bulletproof vest of another, but wounded neither one, police said. He also opened fire with his semi-automatic gun on a police helicopter hovering over the scene in the Auburn Gresham community,…