KANSAS CITY, Mo. — Several people were shot Wednesday shortly after the conclusion of the Chiefs’ rally at Union Station. Kansas City police said shots were fired west of Union Station near the garage and several people were struck. The Chiefs had vacated the stage before gunfire erupted. Andrew Stockey of WTAE-TV in Pittsburgh wrote in a social-media post that he had been told by Chiefs receiver Justin Watson that all of the players and their families who were inside Union Station are safe. Kansas City mayor Quinton Lucas confirmed that later in a news conference when he said all members of t…