An epic Southern California heat wave crested Sunday with numerous all-time high temperature records set, including a 121-degree reading in Woodland Hills that marked a historic milestone for Los Angeles County.
The broiling temperatures put extreme pressure on the power grid, with malfunctions leaving thousands without power and officials warning that rolling blackouts could affect millions of customers.
It also fueled a series of fast-moving brush fires across the region, including one in Angeles National Forest near Duarte that broke out Sunday afternoon and forced Labor Day weekend visitors to flee.
In San Bernardino County, the El Dorado fire near Yucaipa had burned more than 3,000 acres and forced evacuations in some communities. To the south in San Diego County, the Valley fire in the