(This story has been updated with additional information.)
The explosive Summit Fire that scorched more than 2,700 acres of vegetation after igniting in Los Angeles County on Friday afternoon began making its way toward the San Bernardino County communities of Piñon Hills and Wrightwood by the evening, prompting evacuation warnings and filling High Desert skies with smoke.
The fire was reported just before 1 p.m. on Friday in Los Angeles County, according to Cal Fire. By 4 p.m., the fire had quickly exploded from 600 to 2,709 acres, with 0% containment, and crossed into the Angeles National Forest, with heavy smoke moving toward the northeast…