Person treated for head injury at Northbrook residence Heard on: Red Center Dispatch 00:12 00:00 Ambulance 10 and Engine 10, head injury, (number withheld) Hemlock Knoll Terrace, in Northbrook. 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 Ambulance 10 and Engine 10, head injury, (number withheld) Hemlock Knoll Terrace, in Northbrook. 00:07 Grid 1062, (number withheld) Hemlock Knoll Terrace, head injury. 2026-09-29 20:23 UTC Medical Emergency Hemlock Knoll Terrace, Northbrook, IL 60062 View on map