An aerial tanker drops a load of retardant on the northern flank of a fire near Castaic. (Mark Boster/Los Angeles Times)
Firefighters and hand crews scrape and cut the brush to gain control over fire in Angeles National Forest. (Mark Boster/Los Angeles Times)
Northbound traffic on Interstate 5 slows as two lanes are closed to make way for firefighting vehicles. (Mark Boster / Los Angeles Times)
U.S. Forest Service crews monitor the wildfire near Castaic. (Mark Boster/Los Angeles Times)
Traffic in the north and southbound lanes of Interstate 5 inch past fire near Castaic. (Mark Boster/Los Angeles Times)
Los Angeles County Fire Captain Justin Leyba takes a long drink of water while fighting blaze. (Mark Boster/Los Angeles Times)
A water-dropping helicopter douses the flames on the northern flank of the fire near Castaic, (Mark Boster/Los Angeles Times)
A firefighter soaks burned brush near Interstate 5. (Mark Boster/Los Angeles Times)
An aerial tanker drops retardant on fire near Castaic. (Mark Boster/Los Angeles Times)