ONTARIO, Calif. -- Two people were killed when a massive explosion involving fireworks ignited multiple structure fires in a neighborhood in Ontario, California, on Tuesday afternoon, prompting ...

ONTARIO, Calif. — An explosion at a house in Ontario, California, which officials say was set off by fireworks, shook a neighborhood Tuesday, prompting a massive response from firefighters and police ...

ONTARIO, Calif. (AP) — Authorities are seeking to identify the bodies of two people killed in a huge fireworks explosion in a Southern California neighborhood. Authorities said Wednesday that they ...

ONTARIO, Calif. (KABC) -- Investigators in Ontario Wednesday evening set off the remaining unused fireworks left from the home explosion that left two men dead. AIR7 HD was over the scene as crews ...