YUCAIPA, Calif. -- A smoke-generating pyrotechnic device used during a gender reveal party sparked a raging wildfire that's charred more than 7,000 acres in Southern California, officials said Sunday.

Sensata Technologies Holding has been granted a patent for an electrical switching device featuring a housing with internal components that include contacts. The device utilizes a pyrotechnic feature ...

A fire sparked by a pyrotechnic device used during a gender reveal party has burned more than 10,000 acres since Saturday. The fire was caused by a "smoke-generating pyrotechnic device" used at a ...