Fire alarm at warehouse door found with no fire


(name withheld), engine 6.0, Mid-60 and RELA. Interested drill, mid-60, and route, 35, fire, for a bar, and check. Audible coming from the down-14 lower warehouse southwest door. People are attended, no answer. Agent 6-0 copies warehouse, thank you. We have several large commercial structures in the area. Nothing showing at this time. We'll be investigating. Several large commercial structures in the area is going to be stopped and investigating.