ANTIOCH — A 10-acre fire that broke out in Antioch on Tuesday afternoon prompted a public health advisory for smoke, authorities said.

The fire was located near Oakley Road and Willow Avenue, according to Con Fire. About 4 acres had burned, and a second alarm was called. The blaze started just before 4:30 p.m., and a map shared by Con Fire shows there are structures in the area.

ANTIOCH, Calif. (KGO) -- Crews battled a fast-moving brush fire that burned near Antioch BART tracks Tuesday evening. The 3-alarm, 10-acre fire burned near Oakley Road and Willow Avenue by the BART yard. Contra Costa fire says as of 6:06 p.m., the perimeter of the fire has been contained.