A woman was injured when she and another woman were attacked Tuesday at the CTA Red Line station in Roseland on the Far South Side.The women, ages 23 and 31, were standing on the platform at the 95th Street Red Line station around 5 p.m. when a group of people attacked them and began fighting with them, Chicago police said.The younger woman suffered a cut to her left shoulder and was taken to Christ Medical Center in Oak Lawn, where she was listed in good condition, police said. The other woman refused medical attention.The attackers fled the scene on foot, police said. No arrests were made.