Person found unconscious at W 123rd St and Highland Ave Heard on: Merrionette Park FD 00:10 00:00 Subject down, unknown cause. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. 00:00 Subject down, unknown cause. 00:01 1411. Ambulance 2122. 00:05 West 123rd Street and Highland Avenue. 00:08 Subject down, unknown cause. 5/9/2026 12:11 PM Medical Emergency W 123rd St & Highland Ave, Blue Island, IL 60406 View on map