LOS ANGELES -- Three people were taken into custody Thursday in connection with the Colby fire in the Glendora area of Los Angeles County, Glendora police said.
The fire destroyed two homes and injured one person Thursday morning, Los Angeles County Fire Chief Daryl Osby said.
The injured civilian suffered minor burns, Osby told reporters.
"We predicted that this is going to be an intense fire season because this is third year of an ongoing drought," Osby said.
Added Deputy Chief John Tripp: "If we don't get the rains that gets us out of fire season that gets the vegetation to be less receptive to fire, we have to keep our diligence up."
Hundreds of firefighters were battling the blaze that covered 1,700 acres just hours after it was first reported, authorities said.
There hasn't been a fire in Gledora's foothills since 1968, so the area is considered to have lots of brush and other fuel for a wildfire, authorities said.
The fire started shortly before 6 a.m. PT, according to the California Department of Forestry and Fire Protection. Five hundred firefighters were battling the flames Thursday morning, according to John Wagner of the Angeles National Forest.
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