A man refused medical attention Thursday night after he was grazed by a bullet in the Trumbull Park neighborhood on the Far South Side.

About 11:30 p.m., the 26-year-old was standing in a group on a sidewalk in the 2400 block of East 107th Street when a gunman approached on foot and opened fire, Chicago police said.

The man was grazed in his left thigh and refused help from paramedics, police said.

Area South detectives were investigating.

Police investigate a shooting about 11:30 p.m. Thursday, September 6, 2018 in the 2400 block of East 107th St. in Chicago. | Justin Jackson/ Sun-Times

Police investigate a shooting about 11:30 p.m. Thursday, September 6, 2018 in the 2400 block of East 107th St. in Chicago. | Justin Jackson/ Sun-Times