An explosion on Saturday afternoon suspected to have been caused by a gas leak prompted authorities to shut down a major freeway in Los Angeles County and order residents to shelter in place.

Several lanes of the 5 Freeway were closed and a shelter-in-place order was issued to residents in Castaic, California, after a gas line ruptured on Saturday.

A 17-year-old boy died in an explosion ignited by fireworks Wednesday evening in South Los Angeles, according to authorities. The Los Angeles Police Department responded at around 9:26 p.m. to the 400 ...