Firefighters also were battling a small blaze in Big Tujunga Canyon, about 10 miles northeast of Los Angeles. The fire started about 3:20 p.m. and had charred only two acres, authorities said. No homes were threatened. The causes of all three fires are under investigation.160Want local news?Sign up for the Localist and stay informed Something went wrong. Please try again.subscribeCongratulations! You’re all set! AD Quality Auto 360p 720p 1080p Top articles1/5READ MORE11 theater productions to see in Southern California this week, Dec. 27-Jan. 2Winds that were at 20 mph eased to about 10 mph and higher humidity overnight also helped, Bierce said. More than 560 firefighters, aided by helicopters and air tankers, were assigned to the blaze that was burning on steep, rocky slopes, she said. The fire was reported shortly before 1 p.m. Friday and was burning in heavy brush, pi on trees and juniper northeast of Baldwin Lake, east of larger Big Bear Lake atop the San Bernardino Mountains. The cause was under investigation. In San Diego County, firefighters quickly contained a 4-acre wildfire that sparked in a drainage ditch at the base of Palomar Mountain. The fire was reported early Saturday afternoon in a rural area far from any structures, California Department of Forestry and Fire Protection spokeswoman Roxanne Probaznick said. BIG BEAR LAKE – Higher humidity and dying winds helped firefighters surround a 250- to 300-acre wildfire in the San Bernardino National Forest, fire officials said Saturday. The fire was 70 percent contained Saturday evening – compared to 20 percent the night before – and was not heading toward any homes, said Pam Bierce, a spokeswoman for San Bernardino National Forest. The fire was creeping east, away from local resorts. “It could be kind of just moping around in there today,” she said.