Boyle Heights a "toxic hot spot"

While violence has always been a concern on the streets of Boyle Heights, "a less visible danger can cause serious adverse effects on health: air pollution."  While Los Angeles at large is known for air pollution, Boyle Heights and similar communities are “toxic hot spots,” because of more pollution sources -- refineries, auto body shops and rail yards -- and its proximity to numerous freeways. Boyle Heights Beat has the story.