Four children remained in critical condition after an apartment fire in West Chester Saturday afternoon. Police started getting calls from neighbors around 12:17pm at 5259 Aster Park Drive. Firefighters arrived on the scene, and rescued four children, ages 5 months, 1 year, 5 years, and 8 years old. They were taken to Cincinnati Children's Hospital's Liberty campus, then transferred to Children's Hospital in Cincinnati. The Ohio Fire Marshal's office is investigating the cause of the blaze.