More than 100 residential, commercial, and other structures in Mariposa County, California, have been damaged by the Oak fire, which burned more than 19,000 acres by Thursday, July 28, Cal Fire said. Aerial footage recorded by FIRIS shows the perimeter of the fire near Jerseydale, California, on Wednesday evening. Cal Fire said that 116 structures, classed as “Residential, Commercial and Other,” were destroyed in the fire. A further 10 had been damaged, officials said. Credit: FIRIS via Storyful