Dan R. Krauss/GettyOut of ControlSouthern California Is on Fire: 1,700 Acres and Counting (Photos)Authorities outside Los Angeles struggled to contain the Colby Fire, which has caused thousands in the parched foothills to evacuate. A look at the toll on the ground. 01.17.14 4:00 PM ETDan R. Krauss/GettyDan R. Krauss/Getty Authorities outside Los Angeles struggled to contain the Colby Fire, which has caused thousands in the parched foothills to evacuate. A look at the toll on the ground. Jonathan Alcorn/GettyCalifornia Wildfire RagesFirefighters monitor the Colby Fire burning for a second day on a hillside on Highway 39 in Azusa, Calif., on Friday. Three men have been arrested and charged with starting the fire that has now destroyed 1,700 acres and several homes around Glendora and Azusa in Southern California's San Gabriel Valley, prompting officials to order evacuations for houses near the fire. Gene Blevins/ReutersSunrise Over SmokeThick smoke fills the morning skies as firefighters battled the Colby Fire, in the hills of Glendora on Thursday. The wildfire roared out of control in foothills above Los Angeles, forcing more than 1,000 residents to flee, fire and law enforcement officials said. Dan R. Krauss/GettyClose to HomeJim Crawford, 67, and his daughter, Katie, 11, who live nearby, watch the wildfires burn through the hillsides on Thursday in Glendora, Calif. Dan R. Krauss/GettyAid From AboveA plane works to control wildfires as they burn through hillsides near Azusa, Calif. Gene Blevins/ReutersExtinguisher From the SkiesA helicopter drops water. The wind-whipped blaze erupted before dawn on Thursday in the Angeles National Forest north of Glendora, about 40 miles east of downtown Los Angeles. Gene Blevins/ReutersTough GoingFirefighters are hit by heavy boulders rolling downhill, with one suffering a broken ankle, as they battled the Colby Fire on Thursday. NASA/ReutersVisible From SpaceThe Colby Fire is seen in this satellite image captured just after noon PT on Thursday, in this picture provided by NASA. Gene Blevins/ReutersThe Big Guns ArriveA "super scooper" air tanker makes water drops in the hills of Glendora on Thursday. Dan R. Krauss/GettyOn the Front LinesFirefighter Jason Mendoza helps extinguish the wildfires as they near the house of Michael Allawos on Glendora's Highcrest Road on Thursday. Gene Blevins/ReutersPath of DestructionA homes is engulfed in flames near Glendora. Gene Blevins/ReutersBy Any MeansA local resident uses a garden hose to protect his home in Glendora. Jonathan Alcorn/ReutersFighting for ControlFirefighters watch as water falls from a firefighting aircraft in Azusa on Thursday. Gene Blevins/ReutersAt the SceneHomes are engulfed in flames, as media reports on the Colby Fire in Glendora on Thursday. Gene Blevins/ReutersAll Is LostThe Colby Fire claims a Glendora home. Ringo H.W. Chiu/APAll That RemainsFlames claimed the Singer Mansion, north of Glendora.