Boy, 9, dies following attack at Green Line train station in West Loop

A 9-year-old Humboldt Park boy has died after falling down the stairs and hitting his head in the wake of an argument that turned physical at a CTA train station in the West Loop earlier this month.

An autopsy performed Tuesday determined that the boy, Elijah Flores, died of blunt force injuries to the head in a death that was ruled a homicide, according to the Cook County medical examiner’s office.

As of late Tuesday afternoon, more than nine days after the incident, no arrests had been made as Belmont area detectives investigated, Chicago police said. The Cook County state’s attorney’s office confirmed to the Tribune that it had been notified of the investigation, but provided no further details.

Late in the morning on August 10, a 22-year-old man traveling with Elijah got into a verb