<p>Three men were shot, including one fatally, late Monday during a drive-by shooting in Chatham. </p><p>The men, two 20-year-olds and one 19-year-old, were walking in the 8200 block of South Cottage Grove Avenue about 10:40 p.m. when a black car pulled up alongside them and someone in the vehicle opened fire, hitting all three, Chicago police said.