Los Angeles County firefighters are battling a small brush blaze at a field near the Rancho Santa Ana Botanical Gardens in Claremont Thursday evening, officials said.
The incident was reported about 5:45 p.m. at 1500 North College Avenue, near the Claremont Colleges.
About 3 acres have burned and the blaze is moving east, near structures in the area.
A helicopter was making water drops on the blaze, aerial video from Sky5 showed.
The fire was sending a white plume of smoke through the area, video showed.
As of 8:20 p.m., firefighters had 80 percent of the fire, which had scorched about 8 acres, contained.
KTLA's Nidia Becerra contributed to this story.