Person with psychiatric issue on Sierra Avenue in Fontana Heard on: San Bernardino County Fire - Valley 00:11 00:00 Psychiatric problem. 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 Psychiatric problem. 00:01 Medic Squad 71, Medic Engine 71, and our OMBM 8898, Sierra Avenue between Waco Avenue and Sierra Avenue. 9/4/2026 01:04 AM Medical Emergency Sierra Ave., Fontana, CA View on map