A hazardous materials response in a Thousand Oaks neighborhood Wednesday evening had residents sheltering in place.

A man is in custody after police say he deliberately crashed into a tanker truck, causing a fire and the closure of a West ...

Emergency officials are warning of a possible HAZMAT situation on Highway 61 in Lincoln County after a vehicle fire Wednesday ...

Contra Costa Health on Tuesday responded to a Martinez Refining Company report that chemicals and combustion byproducts from ...