What was left under the rubble of a fireworks explosion in Pacoima was a toxic stew of chemicals authorities said could react unpredictably with water and was too dangerous to move.

Investigators believe the explosion could have been caused by fireworks. There was no one ... the other dogs were actually inside since bomb squad investigators still had to render the home ...

L.A. house filled with fireworks was 'essentially a bomb', officials say A Los Angeles home suspected of containing dangerous chemicals used to make fireworks exploded after firefighters attempted ...

A family talks to Los Angeles police officers Friday near the site of a house explosion in Pacoima. (Myung J. Chun / Los Angeles Times) ...