The Sangamon County Coroner’s office has released the cause of death for 64 year old Yolanda E. Brown of Springfield, who was pronounced deceased at St. John’s Emergency Room on July 5th at 11:22pm. Brown was a pedestrian struck by a vehicle while she was walking in the roadway in the 400 block of South Dirksen Parkway around 10:15pm. After an autopsy performed by the Coroner’s office on Wednesday morning, the preliminary cause of death has been ruled to be blunt force injuries from the incident. The Springfield Police Department is investigating the incident.