Man missing after boat capsizes near 31st Street harbor

Officials are searching Lake Michigan for a man after a boat capsized Friday night near 31st Street harbor.The boat, carrying 16 people, capsized about 7:30 p.m. offshore near the 3100 block of South Lake Shore Drive, Chicago police said.One man was still unaccounted for as of 10:45 p.m., police said.Another man and two women were taken to Insight Hospital, where they were listed in good condition, police said.No other information was available.