BBC: California wildfires: Why are so many listed as missing?

"Over the last few days the number of people unaccounted for in the deadly Camp Fire in northern California has skyrocketed to more than 1,200. 

The sudden jump has led to some confusion among locals and officials alike.

The confirmed death toll of 76 is already a state record, so could this huge number of missing people really still be added to that?"

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Read also Al Jazeera Story