Rain and cooler temperatures are helping firefighters slow the spread of an 18,000-acre wildfire in the Angeles National Forest north of Azusa. A U-S Forest Service spokeswoman says the fire is now 30% contained and it is moving away from populated areas. Full containment is expected Tuesday. Investigators suspect the fire was started by candles used in an animal sacrifice ritual. Dozens of buildings were destroyed in the fire, including 50 summer cabins built in the 1920s and 1930s. Meanwhile, a 5,100-acre wildfire that erupted Tuesday near Leona Valley in northeast L-A County is fully contained. One fire crew is still on the scene watching for flare-ups. The fire destroyed four homes earlier in the week. The cause is under investigation.