A man was stabbed in the neck while walking near Grant Park in Chicago Thursday night, police said, with officials working to investigate after the suspect fled the scene. About 11:37 p.m., a 23-year-old man and a 27-year-old woman were walking in the 500 block of South Columbus Drive in the Loop when an unknown man approached them and a verbal altercation took place. #grantpark #stabbing #crime #chicago