4 Dead, As Gunman Opens Fire On Chicago Hospital, Killing His Ex-Fiancé Dr. Tasha O’Neal

A gunman went on a rampage inside a Chicago hospital on Monday evening, ultimately killing four and injuring an undetermined amount of others.

According to ABC 7,

three people were murdered in the shooting, including the ER doctor that had previously been engaged to the shooter, a Chicago police officer, and a pharmaceutical worker at Mercy Hospital on the South Side of Chicago. The shooter was also killed by police gunfire.