Seven people missing after explosion at fireworks facility

The building storing commercial fireworks was already up in flames. Our Sacramento station covering it live when the blaze triggered a massive explosion. That warehouse turning into an inferno.I can say I have not seen anything like this. This is obviously an incident of great magnitude. And tonight, authorities say seven people are still missing at the fireworks company in this rural community outside Sacramento.Authorities say the first call came in at 5:50 last night. Everyone within a 1m radius was evac ...