Commercial fire alarm at Northgate Market Heard on: San Bernardino County Fire - Valley 00:10 Commercial fire alarm, medic truck 71 at Northgate Market, 9630 Sierra Avenue between Holly Drive and Northgate Plaza. 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. Commercial fire alarm, medic truck 71 at Northgate Market, 9630 Sierra Avenue between Holly Drive and Northgate Plaza. 2026-11-11 17:00 UTC Fire Sierra Ave., Fontana, CA 92335 View on map