NEW BATIMORE, Mich. – 
A fire inside Pancho's Mexican Restaurant broke out shortly before 7 a.m. Sunday.
It quickly escalated to a second alarm fire.
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Flames burned through the building and roof before fire crews could put it out.
Investigators say the restaurant was closed and no one was inside at the time.
The cause of the fire is not yet known but investigators tell Local 4 it did not appear to have started in the kitchen.