Second EMS call to Malvern Prep School lobby Heard on: Chester County Fire/EMS - Digital 00:07 00:00 you. Four, 2nd call, Malvern Prep School, 418 South Warren Avenue, 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 you. Four, 2nd call, Malvern Prep School, 418 South Warren Avenue, 00:04 Davis Center lobby, Malvern Borough, Chester. 2026-10-28 15:30 UTC Medical Emergency Alumni Hall, 418 S Warren Ave, Malvern, PA 19355 View on map