Seven people are missing after a warehouse holding fireworks caught fire and set off a series of massive explosions in Northern California late Tuesday.

In the first moments after explosions at a fireworks warehouse in Esparto rocked the community, a man who lived nearby sprang into action towards falling flames and live fireworks, just hoping he could help.

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.