Person experiencing chest pain on River Rock Lane Heard on: Los Angeles CA Fire Dispatch Group Calls 00:05 00:00 Chest pain, 100 and thirty-six is the area. 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 Chest pain, 100 and thirty-six is the area. 00:02 Engine squad eighty-four, (number withheld) River Rock Lane. 7/30/2026 11:09 AM Medical Emergency Rock Ln, La Verne, CA 91750 View on map