Person experiencing chest pain at Knoll North Drive Heard on: Howard County MD Fire Dispatch 00:08 00:00 Engine on one, paramedic on five, respond. 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 Engine on one, paramedic on five, respond. 00:03 (number withheld) Knoll North Drive. 00:06 Chest pain, alpha two twenty-two. 2026-11-07 03:09 UTC Medical Emergency Knoll N Dr, Columbia, MD 21045 View on map