Person in cardiac arrest near Grantchester Place in Gaithersburg Heard on: Montgomery MD Fire-Tac Group Calls 00:06 00:00 Unit five, responding to the scene. 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 Unit five, responding to the scene. 00:02 It's on scene. Reported cardiac arrest. 00:03 They left to number (number withheld) Chester Place. 6/28/2026 09:33 AM Medical Emergency Grantchester Pl, Gaithersburg, MD 20877 View on map