Person not breathing near River Drive Heard on: St. Mary'S County MD Regional Fire Dispatch 00:08 00:00 Medical box 502 , (number withheld) River 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 Medical box 502 , (number withheld) River Drive. 00:04 We're not breathing. 00:05 EMS 509 , medic 18 , MDO 18 , and station five are due. 2026-10-26 15:13 UTC Medical Emergency River Dr, Chaptico, MD 20621 View on map