Human remains have been found at the site of a massive fireworks warehouse explosion that detonated in Northern California earlier this week, and where seven people remained unaccounted for, officials

Rescue crews were searching on Thursday for seven people still missing days after an explosion at a fireworks warehouse in Northern California shook a tiny farming community and forced the cancellation of nearby July Fourth celebrations.

Human remains have been found at the warehouse filled with fireworks that exploded in Northern California this week, officials said.