Person with chest pain near Latham Drive in Frederick Heard on: Frederick County Fire - Digital 00:09 00:00 Ambulance 200 and forty-nine, ALS two, go Hartfield to Frederick, (number withheld) Latham Drive. 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 200 and forty-nine, ALS two, go Hartfield to Frederick, (number withheld) Latham Drive. 00:06 Unit 100 and twenty-seven, chest pain, nine Bravo, ten twenty-three. 2026-10-23 14:20 UTC Medical Emergency Latham Dr, Frederick, MD 21701 View on map