Firefighters battle an explosive fire from a three-story masonry building in downtown Los Angeles

Firefighters battle an explosive fire from a three-story masonry building in downtown Los Angeles, California, on Tuesday morning (June 8).

Firefighters battle an explosive fire from a three-story masonry building in downtown Los Angeles, California, on Tuesday morning (June 8).

Los Angeles Fire Department says it declared the blaze a "major emergency" fire.

At least four businesses were impacted by the fire, and no injuries were reported.