A man was fatally shot while playing basketball Tuesday in Roseland on the South Side, according to police. He was playing with a group of people about 11:35 a.m. inside the field house at Palmer Park, in the 200-block of East 111th Street, when an argument broke out, Chicago police said. A male pulled out a gun and fired shots, hitting the 25-year-old in the head, police said. He was pronounced dead at the scene.