Days after an explosion at an Oak Cliff apartment complex killed three people and wounded five others, several key questions ...

A prospective buyer of the 23-unit apartment complex had commissioned the soil tests. Preliminary reports indicated that a natural gas pipeline may have been damaged.

The 5 Freeway north of Los Angeles was closed for hours and a shelter-in-place order was issued to more than 19,000 residents in Castaic after a natural gas line ruptured on Saturday afternoon.