While warehouse fires are often extinguished in a day, the Boyle Heights blaze is on its sixth day. Here’s what to know Los Angeles firefighters are on their sixth day of battling a fire at a massive warehouse near downtown that stores frozen food. Smoke has billowed from the warehouse, which was covered in solar panels and insulated like a freezer, filling the air surrounding the roughly 500,000-sq-ft (46,450-sq-meter) facility.