Illinois State Police will give an update on a crash in downstate Chatham, Illinois, that killed three children and one teenager at an after-school program earlier this week.

Illinois State Police released preliminary toxicology results that showed no drugs or alcohol in the system of a driver who crashed into a central Illinois after-school program, killing four young girls.

Officials from Illinois State Police announced Thursday the driver involved in a deadly crash that occurred earlier this week in Chatham, Illinois was not under the influence of drugs or alcohol. WGN's Dana Rebik reports on the latest details in the story.