Carbon monoxide alarm with ill person reported Heard on: Chester County Fire/EMS Countywide 00:34 00:00 Station 21, (number withheld) South Street, after a row, a carbon monoxide alarm box 2100. 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 Station 21, (number withheld) South Street, after a row, a carbon monoxide alarm box 2100. 00:09 1221, if anyone responds, 3rd party call reported a CO alarm off, someone's feeling ill. 00:14 Unknown if they're evacuating. 00:16 Received. 00:22 Chester Squad 21, 00:24 two-story single family. 00:26 Building is evacuated. 00:31 Four twenty-one, okay. 00:32 Three-story single-family dwelling, fully evacuated. 8/17/2026 07:53 AM Fire South St, Oxford, PA 19363 View on map