Injury ALS medical call at Lancaster Boulevard Heard on: Los Angeles County CA Fire Dispatch ยท Countywide Dispatch 00:05 Engine and squad 51 injury ALS 3900 Lancaster Boulevard building (number withheld). 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. Engine and squad 51 injury ALS 3900 Lancaster Boulevard building (number withheld). 2026-10-01 04:20 UTC Medical Emergency E Lancaster Blvd building 3385, Lancaster, CA 93535 View on map