It's been six days. Why can't L.A. firefighters put out blaze at Boyle Heights cold-storage facility?

Wire excerpt

It's been six days. Why can't L.A. firefighters put out blaze at Boyle Heights cold-storage facility? Los Angeles Times As health concerns build, firefighters hope to extinguish Boyle Heights warehouse fire by this week LAist Boyle Heights Storage Facility Fire Information Los Angeles Fire Department Dark Smoke in a Sunny Place: Neighbors of L.A. Fire Struggle for Breath The New York Times Lineage reveals likely cause of Boyle Heights warehouse fire KTLA