A fast-moving wildfire broke out at 2 p.m. on July 22 on the edge of the Yosemite National Park in Mariposa County of California, and quickly spread to more than 6,000 acres overnight, according to CalFire. The authorities said the fire is California's fastest-growing this season, and that it has destroyed 10 structures and threatens 2,000 more. Thousands of evacuations have been ordered as the fire continues to grow.